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archive.org/web/20161020132538/http://www.panoramio.com/user/4147970?with_photo_id=61272711 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015003513/http://www.panoramio.com/photo/33870614 determination method...
panoramio.com/user/680099?with_photo_id=6733748 operator: Panoramio described at URL: https://web.archive.org/web/20161011150557/http://www.panoramio...