Salar de Uyuni is the world’s largest salt flat and was formed as a result of transformations between several prehistoric lakes. It is covered by a few meters of salt crust, which has an extraordinary flatness. The crust serves as a source of salt and covers a pool of brine, which is exceptionally rich in lithium. It contains 50 to 70% of the world’s lithium reserves, which is in the process of being extracted. While I have been to salt flats before, such as those in Death Valley, the vastness of these is impressive and well worth the rough drive to reach them.
Photos taken December 2014 (Nikon D7000).
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