Foto: "<a href="https://ccnull.de/foto/bird-eye-view-of-palais-thurn-und-taxis-historic-building-in-frankfurt-built-in-1739/1033176" target="_blank">Bird eye view of Palais Thurn und Taxis historic building in Frankfurt built in 1739</a>" von <a href="https://ccnull.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="https://ccnull.de" target="_blank">ccnull.de</a> - <a href="https://www.flickr.com/photos/30478819@N08/50393023556/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>