Headquarters of <a href="https://en.wikipedia.org/wiki/E.ON" class="extiw" title="en:E.ON">E.ON Ruhrgas</a> in <a href="https://en.wikipedia.org/wiki/Essen" class="extiw" title="en:Essen">Essen</a> photographed at <a href="https://en.wikipedia.org/wiki/Blue_hour" class="extiw" title="en:Blue hour">Blue hour</a>
<a href="//commons.wikimedia.org/wiki/User:Tuxyso" title="User:Tuxyso">Tuxyso</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>