<p>Runes as Dunes
</p><p>These beautiful polar dunes have an almost calligraphic appearance. 
</p>
 NASA/JPL/University of Arizona (320 km above the surface. <a rel="nofollow" class="external text" href="https://www.uahirise.org/ESP_050132_2600">www.uahirise.org/ESP_050132_2600</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2017-11-13 16:27
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/24592737958/">ESP_050132_2600</a>