Karst mountains in Cappadocia. The typical topography of <a href="https://en.wikipedia.org/wiki/en:Cappadocia" class="extiw" title="w:en:Cappadocia">Cappadocia</a>, <a href="https://en.wikipedia.org/wiki/en:Turkey" class="extiw" title="w:en:Turkey">Turkey</a>, is known as <a href="https://en.wikipedia.org/wiki/en:karst_topography" class="extiw" title="w:en:karst topography">karst</a>.
<a href="//commons.wikimedia.org/wiki/User:China_Crisis" title="User:China Crisis">China Crisis</a>
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<span class="int-own-work" lang="en">Own work</span>