Answer:
pech merle cave paintings
16,000 years BC
Pech Merle is a cave which opens onto a hillside at Cabrerets in the Lot department of the Occitania region in France, about 32 km by road east of Cahors.
the hand print was a form of a signature and was made with clay and they used their hands and feet to create the various shapes.
this got a complement from my teacher so it should be good .,.
