Itata river, Coelemu, Chile.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/136761463@N05">Guti</a> from Santiago, Chile
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/danitogu/26982286664/">Sand river curves</a>