<p>Rain-washed rocks add a splash of color, pattern, and pizazz to a backcountry streambed. 
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Colored rocks on a creekbedrock
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/41585865@N06">Western Arctic National Parklands</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nps_wear/9906088725/">Rock Designs</a>