English operator: Panoramio described at URL: https://web.archive.org/web/20161026231205/http://www.panoramio.com/photo/78376999 determination method...
Panoramio described at URL: https://web.archive.org/web/20161011050339/http://www.panoramio.com/photo/2795885 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024162029/http://www.panoramio.com/photo/79273004 determination method...
Panoramio described at URL: https://web.archive.org/web/20161010160545/http://www.panoramio.com/photo/2795906 determination method or standard: SHA-1...
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