Salar de Uyuni (Salt Lake Uyuni) is most hugest salt lake in this world
which is in South part of Bolivia in South America.
Usually, the landscape is whole of white salt ground stretched to the horizon.
But, water covered white ground, there is change to shallow & huge lake.
the lake reflecting the sky, disappeared the horizon. look like the ground connected sky.
people coll here "The sky mirror", "The place of most close to heave".