English operator: Panoramio described at URL: https://web.archive.org/web/20161025072900/http://www.panoramio.com/photo/80774638...
English operator: Panoramio described at URL: https://web.archive.org/web/20161018011449/http://www.panoramio.com/photo/49275520...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101153026/http://www.panoramio.com/photo/126380415 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161010193012/http://www.panoramio.com/photo/9095013...
archive.org/web/20161025092743/http://www.panoramio.com/user/969909?with_photo_id=81047145 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161019190057/http://www.panoramio.com/user/5260436?with_photo_id=64750668 operator: Panoramio described at URL: https://web.archive...