diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/electrostatics/Gauss-theorem-demonstration/overview/ostrogradsky_flux_element_volume_interior_2.gif b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/electrostatics/Gauss-theorem-demonstration/overview/ostrogradsky_flux_element_volume_interior_2.gif
new file mode 100644
index 000000000..75b6a4263
Binary files /dev/null and b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/electrostatics/Gauss-theorem-demonstration/overview/ostrogradsky_flux_element_volume_interior_2.gif differ