Over 60,000 years ago, the first modern humans left their African homeland and entered Europe, then a bleak and inhospitable continent in the grip of the Ice Age. But when they arrived, they were not alone: the stocky, powerfully built Neanderthals had already been living there for hundreds of thousands of years. So what happened when the first modern humans encountered the Neanderthals? Did they make love or war?

Decoding Neanderthals

UK art historian, Dr Richard Clay, visits Paris to show how The French Revolution tried to erase the previous order by destroying the art that symbolized it, and how destruction of public space is used even today to influence people.