House of youth in <a href="//commons.wikimedia.org/wiki/Bonn" title="Bonn">Bonn</a>-Kessenich, Germany.
<a href="//commons.wikimedia.org/wiki/User:Traitor" title="User:Traitor">Traitor</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>