Door and window of the building at Klosterstraße 8 in Blankenheim, North Rhine-Westphalia, Germany
<a href="//commons.wikimedia.org/wiki/User:Tournasol7" title="User:Tournasol7">Krzysztof Golik</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>