Detail of the east facade of <a href="https://en.wikipedia.org/wiki/Rotes_Rathaus" class="extiw" title="en:Rotes Rathaus">Rotes Rathaus</a> in Berlin.
<a href="//commons.wikimedia.org/wiki/User:Code" title="User:Code">Ansgar Koreng</a>
CC BY 3.0 de
<span class="int-own-work" lang="en">Own work</span>