Alto Beni - BOLIVIA
Salar de Uyuni, the world's largest salt flat comprises over 12000 km2 in the Potosí region, southwest Bolivia, at an altitude of 3,656 meters above sea level. It is formed of 11 layers of salt witch are between 2 and 11 meters thick.
It was part of a prehistoric lake that when it dried up left some seasonal puddles and several salt flats, including the Salar de Uyuni. In the dry season, the Salar is a vast flat and white extension of salt, but in the wet season, it is covered with a thin sheet of water giving the Salar a very particular beauty.
The Salar serves as the major transport route across the Bolivian Altiplano. In the wet season drivers have to extreme precautions as if they don't follow a good trail they can get stuck in the soggy salt.