English operator: Panoramio described at URL: https://web.archive.org/web/20161020060248/http://www.panoramio.com/photo/56598017...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024031116/http://www.panoramio.com/photo/69100117...
Panoramio described at URL: https://web.archive.org/web/20161028223012/http://www.panoramio.com/photo/93079860 determination method or standard: SHA-1...
panoramio.com/user/85687?with_photo_id=3146562 operator: Panoramio described at URL: https://web.archive.org/web/20161009215913/http://www.panoramio.com/photo/3146562...