diff --git a/12.temporary_ins/06.geometry-coordinates/40.n4/80.non-euclidian-space/20.overview/contravariante-covariante-coordinates-4.gif b/12.temporary_ins/06.geometry-coordinates/40.n4/80.non-euclidian-space/20.overview/contravariante-covariante-coordinates-4.gif
new file mode 100644
index 000000000..011592c90
Binary files /dev/null and b/12.temporary_ins/06.geometry-coordinates/40.n4/80.non-euclidian-space/20.overview/contravariante-covariante-coordinates-4.gif differ