Our Mom was telling us about how a long, long time ago, like a million years or something, people would paint animals on the walls of caves. Some of these paintings have been found in the modern world and now we can see them. We all discussed this and decided that this was how people used to decorate. What else could they do? Then we wondered if there were any paintings of rats..or cats...? Mom said she didn't know for sure. She also wasn't sure about the home decorating idea, but considered it anyway.