diff --git a/12.temporary_ins/70.wave-optics/10.interferences/Huygens-Fresnel-principle-1aperture-1D-1a-1b-1d_spherical-wave.gif b/12.temporary_ins/70.wave-optics/10.interferences/Huygens-Fresnel-principle-1aperture-1D-1a-1b-1d_spherical-wave.gif new file mode 100644 index 000000000..cb609ad14 Binary files /dev/null and b/12.temporary_ins/70.wave-optics/10.interferences/Huygens-Fresnel-principle-1aperture-1D-1a-1b-1d_spherical-wave.gif differ