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English operator: Panoramio described at URL: https://web.archive.org/web/20161102160559/http://www.panoramio.com/photo/109634972 determination method...
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English operator: Panoramio described at URL: https://web.archive.org/web/20161012114236/http://www.panoramio.com/photo/10098893 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012215505/http://www.panoramio.com/photo/10098901 determination method...
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