Salar de Atacama – Atacama Salt Flat at 2,300 m above sea level has a surface of approx. 320,000 hectares. The salt crystals are produced by the underground water evaporation by heavy saline load. The water comes from the Andes. Salar consists of different salt crusts, such as plane dry sulfate crusts, up to 70 cm high chloride tough crusts, chloride polygonal structures and even charcoal stones. Salar de Atacama is different from any other salt flat in the world. It is not just made out of salt crusts, but it also has some vegetation and diverse fauna and flora.