Panoramio described at URL: https://web.archive.org/web/20161014063454/http://www.panoramio.com/photo/28901654 determination method or standard: SHA-1...
operator: Panoramio described at URL: https://web.archive.org/web/20161017183222/http://www.panoramio.com/photo/40522082 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161029015149/http://www.panoramio.com/photo/91811133 determination method or standard: SHA-1...