The Uyuni salt flats, the largest in the world. It represents a dry salt lake, which is located on the South plains of the Altiplano. The inner part of the Uyuni covered with a thick salt, the thickness of which is from 2 to 8 m. When in Bolivia, the rainy season begins, the entire surface of the salt marsh is covered with a layer of water and looks like a huge mirror. The plane of the unique salt marsh flat, under several meters of salt crust is a lake with a depth of from 2 to 20 metres. Salt water which, according to experts contains from 50 to 70% of the world's lithium reserves. As the lake is rich in sodium chloride and magnesium chloride. In the heart of the salt flat, you can see several Islands, which in ancient times were capped volcanoes. Their structure is extremely fragile, and is similar to the composition of corals. It consists of algae and fossils. In the area of the Uyuni salt flats usually is always bright and Sunny weather, the rains here are extremely rare. You will travel to the spectacle of the huge salt flat lake on the background of vast desert plains and the cloudless blue sky always causes a storm of excitement and a lot of impressions.