English operator: Panoramio described at URL: https://web.archive.org/web/20161111193949/http://www.panoramio.com/photo/48070318...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029193123/http://www.panoramio.com/photo/91157913...
archive.org/web/20161021013541/http://www.panoramio.com/user/3451733?with_photo_id=63136107 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031003032/http://www.panoramio.com/photo/127963399...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030070917/http://www.panoramio.com/photo/106461219...
English operator: Panoramio described at URL: https://web.archive.org/web/20161020034145/http://www.panoramio.com/photo/59861299 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016150525/http://www.panoramio.com/photo/49939447...
archive.org/web/20161027005650/http://www.panoramio.com/user/3451733?with_photo_id=77030542 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025000252/http://www.panoramio.com/user/6834575?with_photo_id=78222972 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028065302/http://www.panoramio.com/user/7647206?with_photo_id=91360336 operator: Panoramio described at URL: https://web.archive...