Twenty-thousand-year-old cave paintings? Didn’t Stone Age simpletons, bored between hunting parties, doodle these? Well, no. Over the past twenty years there have been so many new discoveries about Ice Age art that it’s surprising how little…

Twenty-thousand-year-old cave paintings? Didn’t Stone Age simpletons, bored between hunting parties, doodle these? Well, no. Over the past twenty years there have been so many new discoveries about Ice Age art that it’s surprising how little…