English operator: Panoramio described at URL: https://web.archive.org/web/20161014235008/http://www.panoramio.com/photo/37610935...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014211646/http://www.panoramio.com/photo/37611003...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015093352/http://www.panoramio.com/photo/37611011...
English operator: Panoramio described at URL: https://web.archive.org/web/20161015084333/http://www.panoramio.com/photo/37611026 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014113119/http://www.panoramio.com/photo/26426826...
archive.org/web/20161028155452/http://www.panoramio.com/user/7508506?with_photo_id=99800507 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161019195105/http://www.panoramio.com/user/2898876?with_photo_id=64144798 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015062201/http://www.panoramio.com/user/589799?with_photo_id=37608517 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161020113227/http://www.panoramio.com/user/2898876?with_photo_id=64144951 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161019195040/http://www.panoramio.com/user/2898876?with_photo_id=64144794 operator: Panoramio described at URL: https://web.archive...