archive.org/web/20161024114002/http://www.panoramio.com/user/6792140?with_photo_id=72567936 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025210118/http://www.panoramio.com/user/6402687?with_photo_id=71113337 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020050209/http://www.panoramio.com/photo/62858999 determination method...
archive.org/web/20161102115831/http://www.panoramio.com/user/4538628?with_photo_id=53015436 operator: Panoramio described at URL: https://web.archive...