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The search for the last natural resources has reached a new area: the deep sea, the world’s largest and least-researched frontier. For a long time, the deep sea was considered a lifeless desert. Today, on the other hand, researchers have been discovering landscapes of breathtaking beauty, countless new species and raw materials in large quantities at a depth of thousands of meters: gold, copper, oil and gas. This documentary shows the most important projects around the world that have set themselves the goal of exploiting the treasures of the ocean floor.

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In Focus documentaries and reports cover business and science, culture and education, historical and present day events as well as sports and leisure. This wide variety of topics is investigated in depth and presented in an informative format, making for captivating television, courtesy of Germany's Deutsche Welle news network.