National Geographic Travelのインスタグラム(natgeotravel) - 12月4日 21時57分

Photo by @christian_foto A worker loads salt in his truck in the salar de Uyuni, that belongs to the town of Colchani in the municipality of Uyuni, Bolivia. Families nucleate in the "Cooperativa Rosario" in order to organize and sell the salt, packed or in stacks. "Salar de Uyuni" is the world's largest salt flat at 4,086 square miles. It is located in the Daniel Campos Province in Potosí in southwest Bolivia, near the crest of the Andes and is at an altitude of 11,995 ft above sea level.

The Salar 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 with the average altitude variations within one meter over the entire area of the Salar. 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,[3] which is in the process of being extracted. The large area, clear skies, and the exceptional flatness of the surface make the Salar an ideal object for calibrating the altimeters of Earth observation satellites.

Photo by @christian_foto ( Christian Rodríguez )

#saltflat #uyuni #bolivia

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