English operator: Panoramio described at URL: https://web.archive.org/web/20161020160416/http://www.panoramio.com/photo/53029797 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021063205/http://www.panoramio.com/photo/53029776 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021041129/http://www.panoramio.com/photo/53030371 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023224718/http://www.panoramio.com/photo/53030439 determination method...
Panoramio described at URL: https://web.archive.org/web/20161024220101/http://www.panoramio.com/photo/84820134 determination method or standard: SHA-1...
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