how would you like to discover an art gallery under-ground? that's exactly what four boys did in 1940 in Lascaux,France searching for their lost dog they slid down a hole at the base of a tree into a cave. on the walls and ceiling of the cave were painted pictures of animals such as horses,wolves,bison, and deer. About 10,000 to 35,500 year ago,cave dwellers painted the pictures with red, yellow,and brown powders made from minerals found in the area around the cave. the cave dwellers probably painted the pictures for good luck in hunting. They were superstitious and thought that the more pictures they painted the more animals they could find for food.