archive.org/web/20161014112424/http://www.panoramio.com/user/3691241?with_photo_id=27220583 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023031918/http://www.panoramio.com/user/1246473?with_photo_id=55295157 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161019180357/http://www.panoramio.com/user/1275365?with_photo_id=64673672 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023070118/http://www.panoramio.com/photo/53617400 determination method...
archive.org/web/20161015153025/http://www.panoramio.com/user/3310159?with_photo_id=38030858 operator: Panoramio described at URL: https://web.archive...