Foto: "<a href="https://ccnull.de/foto/building-of-european-central-bank-on-the-bank-of-river-main-in-frankfurt-germany/1021391" target="_blank">Building of European Central Bank on the bank of river Main in Frankfurt, Germany</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@N08/50393205007/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>