Rochefort (Charente-Maritime, France) - Detail of a staircase in one of the the original twin dry docks known as or the “<i>double forme</i>” or the “Louis XV Dry Dock”, designed in the 17th century.
<a href="//commons.wikimedia.org/wiki/User:Myrabella" title="User:Myrabella">Myrabella</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>