English operator: Panoramio described at URL: https://web.archive.org/web/20161025202220/http://www.panoramio.com/photo/71866827...
archive.org/web/20161102200958/http://www.panoramio.com/user/3773936?with_photo_id=91751028 operator: Panoramio described at URL: https://web.archive...
panoramio.com/user/45852?with_photo_id=10532580 operator: Panoramio described at URL: https://web.archive.org/web/20161013010628/http://www.panoramio...
Panoramio described at URL: https://web.archive.org/web/20161028182448/http://www.panoramio.com/photo/91750966 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161019125624/http://www.panoramio.com/photo/19662524 determination method or standard: SHA-1...