The world's largest salt flat, or playa, at over 10,000 square kilometers (3,900 sq mi) in the area is Salar de Uyuni.
It is located in the Daniel Campos Province in Potosí in southwest Bolivia, near the crest of the Andes at an elevation of 3,656 m (11,995 ft) above sea level.
Several prehistoric lakes around forty thousand years ago transformed into the Salar, but all of the lakes had evaporated over time.
The Salar de Uyuni is now covered by a few meters of salt crust, which has an extraordinary flatness with average elevation variations within one meter over the entire area.
A pool of brine, which is exceptionally rich in lithium, is covered by the crust, which serves as a source of salt.
The Salar provides the main mode of transport across the Bolivian Altiplano and is an ideal breeding ground for several species of flamingos.
Movies such as Star Wars: The Last Jedi (2017), The Fall (2006), Salt and Fire (2016), The Unseen (2017), and several others have used Salar as a filming location.
The Altiplano of Bolivia in South America contains the world's largest salt flat, Salar de Uyuni.