Try to imagine what a caveman might draw on the walls of a cave. Stick figures? Pictures of people he knew? Think again! From 12,000 to 18,000 years ago, some people who were humans like us -- maybe a little hairier, but just as smart -- drew and painted pictures inside caves in southwest France that amaze people today. Some are just outlines, others are painted in bright colors. But all are pictures of animals that lived around them. This includes mammoths (a kind of huge hairy elephant)…
