What would be the consequences of industrial exploitation of the ocean floor? A deep-sea expedition in the Pacific explores this question. Raw materials have been mined on land for thousands of years, often with negative consequences for nature and people. Exciting stories, a wide variety of topics, fascinating pictures: every day, half or three-quarters of an hour of carefully researched background reports from the worlds of politics, business, science, culture, nature, history, lifestyle and sport. Moving and stirring documentaries - from Germany and around the world. Germany.