Panoramio described at URL: https://web.archive.org/web/20161025164618/http://www.panoramio.com/photo/82447868 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161027041430/http://www.panoramio.com/photo/82447797 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025234739/http://www.panoramio.com/photo/82447831 determination method...
Panoramio described at URL: https://web.archive.org/web/20161026165720/http://www.panoramio.com/photo/82889033 determination method or standard: SHA-1...