Panoramio described at URL: https://web.archive.org/web/20161024200435/http://www.panoramio.com/photo/73740580 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161026135207/http://www.panoramio.com/photo/73740570 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161025004446/http://www.panoramio.com/photo/73740603 determination method or standard: SHA-1...