English operator: Panoramio described at URL: https://web.archive.org/web/20161025015457/http://www.panoramio.com/photo/80148420...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011224634/http://www.panoramio.com/photo/8981076...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101045836/http://www.panoramio.com/photo/114596952...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025015801/http://www.panoramio.com/photo/80148428...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014102137/http://www.panoramio.com/photo/27698566...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031115039/http://www.panoramio.com/photo/114597417...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030231638/http://www.panoramio.com/photo/114535035 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101131649/http://www.panoramio.com/photo/123318105...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102162628/http://www.panoramio.com/photo/114535461...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031034504/http://www.panoramio.com/photo/114597496...