Story : In this episode of Superquark, the documentary from the BBC Planet Earth series deals with mountains. When a man reaches the top of a mountain, he is pleased to have conquered it, but mankind can only visit this hostile world. Planet Earth presents the ‘real’ inhabitants of the mountains and reveals the secrets of their survival on the highest peaks of the planet, in an extreme environment made of rocks, ice and snow, a vertical life as impervious to man as the surface of another planet. What links a rich tomb of Ancient Rome with an expedition to the seabed of Puglia? Stories of tombs, sarcophagi and shipwrecks in the report by Alberto Angela and Michelangelo Pepe. Today many types of drugs circulate in the world. However, one, despite being different from the others, generates a similar addiction and similar consequences: gambling. In the report by Marco Visalberghi. Thanks to the oil extracted from the seabed, Brazil manages to be energy self-sufficient.