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English operator: Panoramio described at URL: https://web.archive.org/web/20161029000351/http://www.panoramio.com/photo/103695854...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028162443/http://www.panoramio.com/photo/103694634 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028042624/http://www.panoramio.com/photo/103696185...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031133427/http://www.panoramio.com/photo/103694779...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028045120/http://www.panoramio.com/photo/99850087...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029105756/http://www.panoramio.com/photo/99850577...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029201617/http://www.panoramio.com/photo/99851786...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028103026/http://www.panoramio.com/photo/103695376...