Photo by Courtney Celley/USFWS.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/49208525@N08">USFWS Midwest Region</a> from United States
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usfwsmidwest/31159311008/">Rock formations</a>