View of Kettengasse, in the <a href="https://de.wikipedia.org/wiki/Heidelberger_Altstadt" class="extiw" title="de:Heidelberger Altstadt">Heidelberg Old Town</a>, Heidelberg, Baden-Württemberg, Germany.
<a href="//commons.wikimedia.org/wiki/User:Bahnfrend" title="User:Bahnfrend">Bahnfrend</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>