archive.org/web/20161101215328/http://www.panoramio.com/user/7955631?with_photo_id=102692742 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161030132001/http://www.panoramio.com/user/7955631?with_photo_id=102692082 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014041613/http://www.panoramio.com/user/2604071?with_photo_id=29644975 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014062723/http://www.panoramio.com/photo/25900253 determination method...