The "Madonna and Child" stalagmite in the <a href="https://en.wikipedia.org/wiki/Grand_Roc" class="extiw" title="en:Grand Roc">Grand Roc</a> cave ("Big Rock"), <a href="https://en.wikipedia.org/wiki/Les_Eyzies_de_Tayac" class="extiw" title="en:Les Eyzies de Tayac">Les Eyzies de Tayac</a>, Dordogne, France. This natural cave contains a lot of limestone cave formations. It's a Unesco World Heritage site, as part of the "Prehistoric Sites and Decorated Caves of the Vézère Valley".
<a href="//commons.wikimedia.org/wiki/User:S%C3%A9mhur" title="User:Sémhur">Sémhur</a>
<span class="int-own-work" lang="en">Own work</span>