Lake named <i>Jungfernsee</i> next <a href="//commons.wikimedia.org/wiki/Potsdam" title="Potsdam">Potsdam</a>
<a href="//commons.wikimedia.org/wiki/User:Biberbaer" title="User:Biberbaer">Biberbaer</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>