The smooth surface of the shallow water covering this huge salt flat in Bolivia acts like a giant mirror. Tourists travel to the Salar de Uyuni to see the effect and walk out into the lake. Now scientists have used satellite data and on-the-ground measurements to determine exactly how flat the surface of the water is – but how it stays so smooth is still a mystery. | Nature

163K views · 822 reactions | Nearly everything in this Bolivian hotel is made with salt from the vast salt flat where it's built. That includes the tables, chairs, floors, walls, and of course, the food, too. https://bit.ly/2OK7bOd | National Geographic Travel | Facebook

Bolivia's salt flats act like a mirror when the sun goes down 😍 | UNILAD Adventure

26 reactions | With less than 24 hours at Uyuni Salt Flats in...