English operator: Panoramio described at URL: https://web.archive.org/web/20161022144016/http://www.panoramio.com/photo/55431153 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030021706/http://www.panoramio.com/photo/109905270...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021053449/http://www.panoramio.com/photo/55479432...
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