<a href="https://en.wikipedia.org/wiki/The_Great_Dune_of_Pyla" class="extiw" title="en:The Great Dune of Pyla">The Great Dune of Pyla</a>, France, the tallest sand dune in Europe, being 107 m high at its crest.
<a href="//commons.wikimedia.org/wiki/User:Pline" title="User:Pline">Pline</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>