Prehistoric art. The horse's head sculptured on a piece of reindeer horn, was found with relics of the rough stone age, in southern France. The charging mammoth was engraved on an ivory tusk, also in southern France during the rough stone age; it is one of the most remarkable relics of its kind. The stag hunt shown at the left is from a painting on the walls of a cavern in Spain, made in the polished stone age. Click here to enlarge this image.