Foto: "<a href="http://www.ccby.de/foto/formula-e-event-at-tempelhof-flughafen-airport/1023400" target="_blank">Formula E event at Tempelhof Flughafen airport</a>" von <a href="http://www.ccby.de/fotograf/marco-verch" target="_blank">Marco Verch</a> via <a href="http://www.ccby.de" target="_blank">ccby.de</a>, <a href="https://creativecommons.org/licenses/by/2.0/de/" target="_blank">CC-BY 2.0</a>