Uyuni is COLD! Especially if you brave it during the cold winter months as I did; coldest is May-July. Beyond its freezing nature, Uyuni is an interesting place and, of course, gateway to the Salar de Uyuni: the largest salt flats in the world. If you take a look back at Uyuni as you leave, once you’re at a higher altitude than the little city, you’ll see that it really is quite tiny and stretches itself in the shape of a diamond about two kilometers in one direction and maybe three in the  more...