Dinosaurs in Oxford, volcanoes to match Mount Etna, a mountain range to rival the Himalayas, a desert as hot as the Sahara, tropical seas as inviting as the Bahamas and a rainforest more spectacular than the Amazon - Alan Titchmarsh discovers we had all this and more as he learns how the British Isles were formed. And local 'landscape detectives' explore how the countryside was shaped where you are. Show less