<p>Lace on Mars: 
Channels formed by sublimation of a layer of seasonal dry ice are so dense in this area that they look like lace.
</p>
NASA/JPL/University of Arizona (5 km across; <a rel="nofollow" class="external text" href="http://www.uahirise.org/ESP_046414_0990">www.uahirise.org/ESP_046414_0990</a>)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2016-12-15 20:17
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/30982036803/">ESP_046414_0990</a>