Ancient Cave Art Symbols

00:00:00,420Now listen carefully and answer questions thirty-one to forty. 00:00:05,900Hello everyone. My presentation today is about the cave paintings produced by prehistoric artists about thirty thousand years ago, and in particular, the symbols that appear in or near these paintings. These symbols are found deep in caves in many countries around the world, but the ones I'm going to talk about today are mainly European. Firstly, a little about the most common symbols. The symbols that have be...