Panoramio described at URL: https://web.archive.org/web/20161025155436/http://www.panoramio.com/photo/78494846 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161024092451/http://www.panoramio.com/photo/75967404 determination method or standard: SHA-1...