<p>Unusual Dark Albedo Feature in a Dust-Starved Area
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NASA/JPL/University of Arizona (5 km across; <a rel="nofollow" class="external text" href="http://www.uahirise.org/PSP_006909_2110">www.uahirise.org/PSP_006909_2110</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/29526450184/">PSP_006909_2110</a>