English operator: Panoramio described at URL: https://web.archive.org/web/20161021161020/http://www.panoramio.com/photo/53370129...
panoramio.com/user/12239?with_photo_id=41869853 operator: Panoramio described at URL: https://web.archive.org/web/20161113081242/http://www.panoramio...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023205745/http://www.panoramio.com/photo/56574218...
English operator: Panoramio described at URL: https://web.archive.org/web/20161121190316/http://www.panoramio.com/photo/41871729...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016165239/http://www.panoramio.com/photo/47518203 determination method...
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