Salar de Uyuni, Bolivia "During the rainy season, the world’s largest salt flat becomes the world's largest mirror. The Salar was born when several prehistoric lakes joined into one. The salt flat is so reflective, it’s used to calibrate satellites.
Salar de Uyuni marks the location of the world's largest salt flats, which can be found in southwest Bolivia. This stunning image captures the Uyuni Salt Flats right after rainfall. The salt crystals reflect puffy white clouds like an enormous mirror.