A view of a former gypsum quarry that existed before the Parc des Buttes-Chaumont was settled.
<a href="//commons.wikimedia.org/wiki/User:W._of_Landshire" title="User:W. of Landshire">W. of Landshire</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>