![](https://i0.wp.com/farm4.staticflickr.com/3763/11659082674_6fc1c1d279_b.jpg)
A sulphuric stream running through a salt flat near the Salar de Uyuni, in the south-west of Bolivia. Along with various minerals and algae it creates wonderful colours across the barren landscape. 500px.com/photo/56346604
via Flickr http://flic.kr/p/iLgR5N