City Entrance at Rudolfplatz, used to mark city borders very long ago. Now its a very center of the city
<a href="https://en.wikipedia.org/wiki/User:GK_tramrunner" class="extiw" title="wikipedia:User:GK tramrunner">GK tramrunner</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
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<span class="int-own-work" lang="en">Own work</span>