Sastrugi that formed over winter at the South Pole
<a href="//commons.wikimedia.org/w/index.php?title=User:Mirriat&amp;action=edit&amp;redlink=1" class="new" title="User:Mirriat (page does not exist)">John Hardin</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>