Panoramio described at URL: https://web.archive.org/web/20161026033214/http://www.panoramio.com/photo/77389348 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161025212912/http://www.panoramio.com/photo/77389359 determination method or standard: SHA-1...