English operator: Panoramio described at URL: https://web.archive.org/web/20161024182148/http://www.panoramio.com/photo/73201354...
Panoramio described at URL: https://web.archive.org/web/20161015035109/http://www.panoramio.com/photo/31295568 determination method or standard: SHA-1...
panoramio.com/user/5762?with_photo_id=50782372 operator: Panoramio described at URL: https://web.archive.org/web/20161020213609/http://www.panoramio.com/photo/50782372...
