<p>The Darkest of Dunes in a Northeast Crater of Syrtis Major
</p>
NASA/JPL/University of Arizona (5 km across, <a rel="nofollow" class="external text" href="http://www.uahirise.org/ESP_017788_2000">www.uahirise.org/ESP_017788_2000</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2016-04-19 11:37
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/25924839913/">ESP_017788_2000</a>