Foto: Federico Arispe R.
This postcard is unused and from 2013.
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Potolo is a village in the department of Chuquisaca in the South American Andes State of Bolivia.
Salar de Uyuni is the world's largest salt flat at 10,582 square kilometers (4,086 sq mi). It is located in the Potosí and Oruro departments in southwest Bolivia, near the crest of the Andes.