Panoramio described at URL: https://web.archive.org/web/20161021020814/http://www.panoramio.com/photo/63585432 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161021020917/http://www.panoramio.com/photo/63585437 determination method or standard: SHA-1...