The <a href="https://en.wikipedia.org/wiki/M%C3%B6hne_Reservoir" class="extiw" title="en:Möhne Reservoir">Möhne Reservoir</a> in <a href="https://en.wikipedia.org/wiki/Germany" class="extiw" title="en:Germany">Germany</a>
<a href="//commons.wikimedia.org/wiki/User:Garver" title="User:Garver">Garver</a> (Essen)
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>