archive.org/web/20161031065242/http://www.panoramio.com/user/969909?with_photo_id=110849180 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://...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021095325/http://www.panoramio.com/photo/58629016 determination method...
archive.org/web/20161023104042/http://www.panoramio.com/user/969909?with_photo_id=56451242 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161103122100/http://www.panoramio.com/user/3057152?with_photo_id=130635945 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029051702/http://www.panoramio.com/user/3057152?with_photo_id=108860385 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161016133736/http://www.panoramio.com/user/1368505?with_photo_id=49223982 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103122109/http://www.panoramio.com/photo/132389520...
archive.org/web/20161021002046/http://www.panoramio.com/user/4315719?with_photo_id=50975923 operator: Panoramio described at URL: https://web.archive...