A mountain stream in the canton Grisons (Graubünden) in Switzerland
<a href="//commons.wikimedia.org/wiki/User:Uwe_Hermann" title="User:Uwe Hermann">Uwe Hermann</a>
CC BY-SA 3.0
Photo taken by <a href="//commons.wikimedia.org/wiki/User:Uwe_Hermann" title="User:Uwe Hermann">Uwe Hermann</a>