Nota bene : These training exercices requiere the use of files and images, that that can be downloaded here :

Archaeoastronony, roses and potatoes

The elliptic travel of a snail on Stellarium map, meeting history of mankind and astronomy :
M 51 and Van Gogh in France, Calendar and more in Mesopotamia, Kocab as a ancient North Pole
in Abu Dhabi, Pleiades for ancient cultures, and solstice celebrations with Mapuche people in
Chile or music day in France.