diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index c5ea2af52..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,52 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
-
-Ya es possible hacer
-I can here :
-- write a full "parallel 1 course" if required
-- or add add a few word about a "course parallel 1" that is written somewhere in "pages/curriculum/..."
-- or do nothing.
-
-    Go 
-    
-    [there](http://localhost:8000/en/m3p2-curriculum/physics-chemistry-biology/niv3/Geometrical-optics/geometrical-optics-general/geometrical-optics-validity/geometrical-optics-domain-of-validity-overview)
-    
-    [Current chapter](.)
-    [Parent chapter](..)
-    [Sibling chapter](../another-chapter)
-    [Child chapter](chapter)
-    [Anchor in the page](#slug-of-header)
-
-<details markdown=1>
-<summary>
-TOWARDS parallel 1, if their are several
-</summary>
-This is a text
-```math
-f\colon\left\{\begin{aligned}\mathbb{R}_4[X]&\longrightarrow\mathbb{R}_4[X] \\
-P&\longmapsto P’\end{aligned}\right.
-\qquad
-g\colon\left\{\begin{aligned}\mathbb{R}_2[X]&\longrightarrow\mathbb{R}_2[X] \\
-P&\longmapsto XP’+P\end{aligned}\right.
-```
-</details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.en.md
deleted file mode 100644
index 4ec1c0df0..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/01.new-course/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index 202738a45..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.en.md
deleted file mode 100644
index 32aaccd77..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course 2'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/02.new-course-2/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index 202738a45..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.en.md
deleted file mode 100644
index ecf083106..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course 3'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/03.new-course-3/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.en.md
deleted file mode 100644
index 598cbc21b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new chapter 1'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.es.md
deleted file mode 100644
index 2ed9ca58a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo capitulo'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.fr.md
deleted file mode 100644
index 5ca031d6d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/01.new-chapter-1/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau chapitre'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index 202738a45..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.en.md
deleted file mode 100644
index 4ec1c0df0..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/01.new-course/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index 202738a45..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.en.md
deleted file mode 100644
index 32aaccd77..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course 2'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/02.new-course-2/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index 202738a45..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.en.md
deleted file mode 100644
index ecf083106..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course 3'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/03.new-course-3/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.en.md
deleted file mode 100644
index 36cd29105..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new chapter 2'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.es.md
deleted file mode 100644
index 2ed9ca58a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo capitulo'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.fr.md
deleted file mode 100644
index 5ca031d6d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/02.new-chapter-2/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau chapitre'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index 202738a45..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.en.md
deleted file mode 100644
index 4ec1c0df0..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/01.new-course/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index 202738a45..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.en.md
deleted file mode 100644
index 32aaccd77..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course 2'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/02.new-course-2/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.en.md
deleted file mode 100644
index 8b09b293d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course : main'
----
-
-new course : main
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.es.md
deleted file mode 100644
index 1a131d64c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso: principal'
----
-
-nuevo curso: principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.fr.md
deleted file mode 100644
index 305ebaeeb..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/01.new-course-main/textbook.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : principal'
----
-
-nouveau cours : principal
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.en.md
deleted file mode 100644
index 10d788880..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.en.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'new course  : overview'
----
-
-new course  : overview
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.es.md
deleted file mode 100644
index 2607ae8ee..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.es.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nuevo curso : síntesis'
----
-
-nuevo curso : síntesis
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.fr.md
deleted file mode 100644
index 2ed0a02ab..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/02.new-course-overview/cheatsheet.fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-title: 'nouveau cours : synthèse'
----
-
-nouveau cours : synthèse
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.en.md
deleted file mode 100644
index 6ed0fb68e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.en.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'new course : beyond'
----
-
-! *YOUR  CHALLENGE*  :  look at the picture, and think of the right answers to the following questions
-!
-! _Do not look at the answer, take time to think, a few days if necessary. The time to build your mental representation of the phenomenon, to formulate it in words is important, a thousand times more important than the ephemeral instant where you read the fews words of the solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "key word"
-! </summary>
-! diffusion
-! </details>
-! <details markdown=1>
-! <summary>
-! ANSWER
-! </summary>
-! diffusion
-! </details>
-
-
-!!!! *DIFFICULT POINT* (contribute, or indicate a difficult point of understanding)
-!!!!
-
-!! *BEYOND* (to contribute)
-!!
-
-!! *CULTURAL POINT* (contributor)
-!!
-
-!!! *DO  YOU  MASTER ?*
-!!! <details markdown=1>
-!!! <Summary>
-!!! Describe the test
-!!! </summary>
-!!! The text of the test (and its images, figures, audio, video, etc ...)
-!!!
-!!! Question text
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 1
-!!! </summary>
-!!! Text if this answer 1 is chosen
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Answer choice 2
-!!! </summary>
-!!! Text if this answer 2 is chosen
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Complete solution.
-!!! </summary>
-!!! text of the solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.es.md
deleted file mode 100644
index 790efacea..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.es.md
+++ /dev/null
@@ -1,58 +0,0 @@
----
-title: 'nuevo curso: más allá'
----
-
-! *TU DESAFÍO*  :  Mire la imagen y encuentre las respuestas correctas a las siguientes preguntas.
-!
-! _No mire la respuesta, tómese el tiempo para pensar, unos días si es necesario. El momento de construir tu representación mental del fenómeno, de formular con palabras esta representación es importante, mil veces más importante que el momento efímero de leer las pocas palabras de la solución._
-!
-! <details markdown=1>
-! <summary>
-! ÍNDICE "palabra clave"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RESPUESTA
-! </summary>
-! xxx
-! </details>
-
-!!!! *PUNTO DIFÍCIL* (contribuya o indique los puntos difíciles que deben tomarse nuevamente)
-!!!!
-
-!! *MÁS ALLÁ* (contribuir)
-!!
-
-!! *ESCAPE CULTURAL* (contribuir)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Describe la prueba
-!!! </summary>
-!!! Texto de prueba (y sus imágenes, figuras, audio, video, etc ...)
-!!! ![una figura para la prueba] (nombre de archivo)
-!!!
-!!! Prueba la pregunta
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 1
-!!! </summary>
-!!! Texto si se elige la respuesta 1
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Respuesta opción 2
-!!! </summary>
-!!! Texto si se elige la respuesta 2
-!!! </details>
-!!! <!--Posibilidad de añadir respuestas, preguntas-->
-!!! <details markdown=1>
-!!! <summary>
-!!! Solucion completa
-!!! </summary>
-!!! Texto de la solución.
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.fr.md
deleted file mode 100644
index 0619fc5f7..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/03.new-course-beyond/annex.fr.md
+++ /dev/null
@@ -1,59 +0,0 @@
----
-title: 'nouveau cours : au-delà'
----
-
-! *TON  DEFI*  :   
-!
-! _Ne regarde pas la réponse, prends le temps de réfléchir, quelques jours si nécessaire. Le temps de construire ta représentation mentale du phénomène, de formuler en mots cette réflexion est important, un millier de fois plus important que l'instant éphémère de la lecture des quelques mots de la solution._
-!
-! <details markdown=1>
-! <summary>
-! INDICE "mot clé"
-! </summary>
-! xxx
-! </details>
-! <details markdown=1>
-! <summary>
-! RÉPONSE
-! </summary>
-! xxx
-! </details>
-
-!!!! *POINT  DIFFICILE* (contribuer, ou indiquer les points difficiles qui méritent d'être repris)
-!!!!
-
-!! *AU-DELÀ* (contribuer)
-!!
-
-!! *ÉCHAPPÉE CULTURELLE* (contribuer)
-!!
-
-!!! *MAÎTRISES-TU ?*
-!!! <details markdown = 1>
-!!! <summary>
-!!! Descrire le test
-!!! </summary>
-!!! Texte du test (et ses images, figures, audio, video, etc ...)
-!!! ! [a figure for the test] (file-name)
-!!!
-!!! Texte de la question
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 1
-!!! </summary>
-!!! Texte si la réponse 1 est choisie
-!!! </details>
-!!! <details markdown=1>
-!!! <summary>
-!!! Choix de réponse 2
-!!! </summary>
-!!! Texte si la réponse 2 est choisie
-!!! </details>
-!!! <!--possibility to add answers, questions-->
-!!! -----
-!!! <details markdown=1>
-!!! <summary>
-!!! Solution complète
-!!! </summary>
-!!! Texte de la solution
-!!! </details>
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.en.md
deleted file mode 100644
index 202738a45..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.en.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'new course : parallel 1'
-content:
-    items: '- ''@self.children'''
-    order:
-        by: date
-        dir: desc
-    limit: '5'
-    pagination: '1'
-    url_taxonomy_filters: '1'
-hero_classes: ''
-hero_image: ''
----
-
-new course : parallel 1
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.es.md
deleted file mode 100644
index c10bf6246..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.es.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-title: 'nuevo curso : paralelo 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nuevo curso : paralelo 1
-
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.fr.md
deleted file mode 100644
index 5f25d7fed..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/04.new-course-parallel-1/default.fr.md
+++ /dev/null
@@ -1,22 +0,0 @@
----
-title: 'nouveau cours : parallèle 1'
-hero_classes: ''
-hero_image: ''
-content:
-    items: '- ''@self.children'''
-    limit: '5'
-    order:
-        by: date
-        dir: desc
-    pagination: '1'
-    url_taxonomy_filters: '1'
----
-
-nouveau cours : parallèle 1
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.en.md
deleted file mode 100644
index d717c9a0a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.en.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'new course : parallel 2'
----
-
-new course : parallel 2
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.es.md
deleted file mode 100644
index e53f6f78b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.es.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nuevo curso : paralelo 2'
----
-
-nuevo curso : paralelo 2
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.fr.md
deleted file mode 100644
index cd5868bd3..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/05.new-course-parallel-2/form.fr.md
+++ /dev/null
@@ -1,12 +0,0 @@
----
-title: 'nouveau cours : parallèle 2'
----
-
-nouveau cours : parallèle 2
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.en.md
deleted file mode 100644
index 70107fd31..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.en.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'course : level-1'
----
-
-course : level-1 
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.es.md
deleted file mode 100644
index 275c981f4..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel-1'
----
-
-curso : nivel-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.fr.md
deleted file mode 100644
index f3b1ebb60..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/06.course-level-down/page.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau-1'
----
-
-cours : niveau-1
-- or level+1 if current level = 1
-- or level-2  if current level = 4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.en.md
deleted file mode 100644
index 4f2a994ae..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.en.md
+++ /dev/null
@@ -1,18 +0,0 @@
----
-title: 'course : level+1'
-hero_classes: ''
-hero_image: ''
----
-
-course : level+1
-
-or level+2 if current level=1
-
-or level-1 if current level=4
-
-#####for parallel or other level course :
-It will be possible to redirect towards an other page in the m3p2 cursus.
-Or to write here some paragraphes separated by html from an other pages, I think.
-Or write here a completely new parallel course
-
-For the moment, please wait.
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.es.md
deleted file mode 100644
index 380d15135..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.es.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'curso : nivel+1'
----
-
-curso : nivel+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### para un curso paralelo o de otro nivel:
-Será (ya es) posible redirigir hacia otra página en el cursus m3p2.
-O escribir aquí algunos párrafos separados por html de otras páginas, creo.
-Tambien podemos aquí escribir un curso paralelo o de otro nivel completamente nuevo
-
-*Por el momento, por favor espere*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.fr.md
deleted file mode 100644
index e3b3ba33e..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/07.course-level-up/portal.fr.md
+++ /dev/null
@@ -1,14 +0,0 @@
----
-title: 'cours : niveau+1'
----
-
-cours : niveau+1
-or level+2 if current level=1
-or level-1 if current level=4
-
-##### pour un cours parallèle ou d'un autre niveau
-Il sera posible (cela l'est déjà) de rediriger automatiquement vers une autre page dans le cursus m3p2.
-Ou d'écrire quelques paragraphes avec entre du html emprunter à d'autres pages je pense.
-On peut toujours aussi écrire ici un cours parallèle ou d'un autre niveau complétement nouveau
-
-*Pour le moment,, attendre, SVP*
\ No newline at end of file
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.en.md
deleted file mode 100644
index ecf083106..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new course 3'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.es.md
deleted file mode 100644
index 5dbd420da..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo curso'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.fr.md
deleted file mode 100644
index 3316aa22f..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/03.new-course-3/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau cours'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.en.md
deleted file mode 100644
index 09c55dacd..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.en.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'new chapter 3'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.es.md
deleted file mode 100644
index 2ed9ca58a..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.es.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nuevo capitulo'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.fr.md
deleted file mode 100644
index 5ca031d6d..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/03.new-chapter-3/topic.fr.md
+++ /dev/null
@@ -1,4 +0,0 @@
----
-title: 'nouveau chapitre'
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.en.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.en.md
deleted file mode 100644
index f403cc71c..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.en.md
+++ /dev/null
@@ -1,6 +0,0 @@
----
-title: 'In time and space, I locate, I distinguish shapes and I measure'
-published: false
-visible: false
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.es.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.es.md
deleted file mode 100644
index a7e1ce064..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.es.md
+++ /dev/null
@@ -1,6 +0,0 @@
----
-title: 'En el tiempo y el espacio, ubico, distingo formas y mido'
-published: false
-visible: false
----
-
diff --git a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.fr.md b/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.fr.md
deleted file mode 100644
index e555c045b..000000000
--- a/01.curriculum/01.physics-chemistry-biology/02.Niv2/03.matter-light/topic.fr.md
+++ /dev/null
@@ -1,6 +0,0 @@
----
-title: 'Dans le temps et l''espace, je repère, je distingue des formes et je mesure'
-published: false
-visible: false
----
-