the salar de uyuni, the worlds largest salt flats. uyuni, potosi department, bolivia, south america

adventure altiplano america andean andes arid beauty blue bolivia bolivian colour cracked dawn desert desolate destination destinations dry dusk emptiness empty environment expedition flat flats flooded formation geology hexagonal landscape location nature open outdoors rural salar salt scenery shapes sky south sunrise thunupa tourism tranquil tranquility travel tunupa uyuni volcano water