Southern mouth of "Kleiner Wannseebahntunnel" in Berlin-Schöneberg
<a href="//commons.wikimedia.org/wiki/User:LezFraniak" class="mw-redirect" title="User:LezFraniak">LezFraniak</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>