City of <a href="//commons.wikimedia.org/wiki/Monschau" title="Monschau">Monschau</a>, <a href="https://en.wikipedia.org/wiki/Eifel" class="extiw" title="en:Eifel">Eifel</a> with slate-roof houses and the ruined castle
<a href="//commons.wikimedia.org/wiki/User:T%C3%BArelio" title="User:Túrelio">Túrelio</a>
CC BY-SA 2.5
<span class="int-own-work" lang="en">Own work</span>