Bolivia is home to the world's largest lithium reserves, including a huge deposit buried under the crust of the huge Salar De Uyuni salt flat. Some German investors are trying to set up a joint venture to extract litihum there, but haven't yet worked out a deal with Bolivia's government. In our documentary, ARD Latin America correspondent Matthias Ebert provides an in-depth look at the technical- and environmental problems involved in lithium mining in the Andes. He also reports on the efforts of local residents to win a fair share of the profits. Keywords: