The viaduct of the metro line 2 at Schönhauser Allee in Berlin-Prenzlauer Berg. It is also being called "Magistratsschirm".
<a href="//commons.wikimedia.org/wiki/User:Code" title="User:Code">Ansgar Koreng</a>
CC BY-SA 3.0 de
<span class="int-own-work" lang="en">Own work</span>