English operator: Panoramio described at URL: https://web.archive.org/web/20161028160956/http://www.panoramio.com/photo/91419539...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017222850/http://www.panoramio.com/photo/45783033...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017222909/http://www.panoramio.com/photo/45783038...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031073306/http://www.panoramio.com/photo/113534075 determination method...
archive.org/web/20161019165248/http://www.panoramio.com/user/3794713?with_photo_id=50884414 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161020185342/http://www.panoramio.com/user/3794713?with_photo_id=50884435 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161020035334/http://www.panoramio.com/user/3794713?with_photo_id=50884443 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028214910/http://www.panoramio.com/user/7508506?with_photo_id=94297461 operator: Panoramio described at URL: https://web.archive...