<a href="https://en.wikipedia.org/wiki/Speleothem" class="extiw" title="en:Speleothem">Speleothem</a> in <a href="https://en.wikipedia.org/wiki/Caves_of_Han-sur-Lesse" class="extiw" title="en:Caves of Han-sur-Lesse">Caves of Han-sur-Lesse</a>.
<a href="//commons.wikimedia.org/wiki/User:Musicaline" title="User:Musicaline">Musicaline</a>
<span class="int-own-work" lang="en">Own work</span>