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English operator: Panoramio described at URL: https://web.archive.org/web/20161027203735/http://www.panoramio.com/photo/97986079...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029105132/http://www.panoramio.com/photo/95213482...
English operator: Panoramio described at URL: https://web.archive.org/web/20161010000344/http://www.panoramio.com/photo/9722980...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012183812/http://www.panoramio.com/photo/10609668...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012232020/http://www.panoramio.com/photo/10609656 determination method: SHA-1...
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