Kongress Center in <a href="https://en.wikipedia.org/wiki/Bad_Homburg" class="extiw" title="en:Bad Homburg">Bad Homburg vor der Höhe</a>, Germany
<a href="//commons.wikimedia.org/wiki/User:Wildfeuer" title="User:Wildfeuer">Wildfeuer</a>
CC BY-SA 3.0
<span class="int-own-work">Self-photographed</span>