A real-life drama about a family of chimps trapped in a lost world. They live in a deep and ancient forested gorge that runs though the African savannah and for fifteen years it has been cut off from the rest of the jungle.

Wildlife documentary. How does a chimpanzee see the world? A research project at Edinburgh Zoo is designed to answer just that question in an innovative new way - by training chimps to use video touch screens and giving them a special chimp-proof camera. How will they react to tools which in evolutionary terms are a few million years ahead of them?