Reutlingen (Germany), one of the access portals of the old town, called "Tübinger Tor"
<a href="https://it.wikipedia.org/wiki/User:Ggonnell" class="extiw" title="it:User:Ggonnell">Giorgio Gonnella</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>