Panoramio described at URL: https://web.archive.org/web/20161028083445/http://www.panoramio.com/photo/101991630 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161029232048/http://www.panoramio.com/photo/100522871 determination method or standard: SHA-1...