Richard Rudgley continues his journey back in time and discovers that woolly mammoths and cave paintings aren't the only relics of the Ice Age. In his travels through the Upper Palaeolithic (or Ice Age), Richard finds beauty, social complexity and technological skill. He visits a 35,000-year-old bead factory - maybe the first ever production line - and builds up a collection of beautifully sculpted female figurines - fertility symbols or early pornography? And he tunnels deep into the earth in search of the spiritual secrets of our Ice Age ancestors - in full glory on the painted walls of their cave-cathedrals.