English operator: Panoramio described at URL: https://web.archive.org/web/20161016222444/http://www.panoramio.com/photo/47678516 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102162910/http://www.panoramio.com/photo/118074556 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161111062336/http://www.panoramio.com/photo/41242047...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021025135/http://www.panoramio.com/photo/64946812...
archive.org/web/20161016123755/http://www.panoramio.com/user/5494478?with_photo_id=47678463 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161017210326/http://www.panoramio.com/user/5494478?with_photo_id=47678499 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024233006/http://www.panoramio.com/user/3789563?with_photo_id=72885884 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101105310/http://www.panoramio.com/photo/97245462...
archive.org/web/20161016152513/http://www.panoramio.com/user/5494478?with_photo_id=47678536 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015130146/http://www.panoramio.com/user/345378?with_photo_id=37616169 operator: Panoramio described at URL: https://web.archive...