salt flats

Salar de Uyuni is the world's largest salt flat. In a rainy season, it could appear as a huge mirror spanning over a large distance all the way to the horizon. Flat Earthers take the flatness of Salar de Uyuni (and salt flats in general) as 'evidence' the Earth is flat. In reality, salt...

The above image by Diego Delso is of the Uyuni salt flat lake at sunrise on Feb 4, 2016, 5:55 local time. Salt flats (or salt pans) are level surfaces formed by the seasonal evaporation of shallow lakes. They should offer some good opportunities to observe the curve of the earth. The above...