archive.org/web/20161028230721/http://www.panoramio.com/user/1812155?with_photo_id=90837683 operator: Panoramio described at URL: https://web.archive...
(https://commons.wikimedia.org/wiki/File:Kanzleramt_-_panoramio.jpg), »Kanzleramt - panoramio«, Mosaik-Optik von Wikimedia Deutschland e. V., https://...
archive.org/web/20161102080847/http://www.panoramio.com/user/1812155?with_photo_id=117062304 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029093641/http://www.panoramio.com/photo/90154470...
archive.org/web/20161021090239/http://www.panoramio.com/user/6047063?with_photo_id=55672425 operator: Panoramio described at URL: https://web.archive...