Foto: "<a href="https://ccnull.de/foto/pond-at-petergof-tsar-peter-residence-teich-bei-peterhof-zar-peter-wohnsitz/1028766" target="_blank">Pond at Petergof, Tsar Peter residence / Teich bei Peterhof, Zar Peter Wohnsitz</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@N08/36625184600/" target="_blank">Bildquelle</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>