Panoramio described at URL: https://web.archive.org/web/20161027010630/http://www.panoramio.com/photo/88417460 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161027003929/http://www.panoramio.com/photo/88417435 determination method or standard: SHA-1...