English operator: Panoramio described at URL: https://web.archive.org/web/20161014103837/http://www.panoramio.com/photo/27979376...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012171156/http://www.panoramio.com/photo/13189845...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025031227/http://www.panoramio.com/photo/86911577...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017112919/http://www.panoramio.com/photo/45903920...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027061709/http://www.panoramio.com/photo/82098001...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030193950/http://www.panoramio.com/photo/120832157 determination method...
archive.org/web/20161020084701/http://www.panoramio.com/user/693012?with_photo_id=50161725 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015032327/http://www.panoramio.com/user/4645711?with_photo_id=38238268 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025003017/http://www.panoramio.com/user/4647437?with_photo_id=73431470 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014005414/http://www.panoramio.com/user/3395292?with_photo_id=24566616 operator: Panoramio described at URL: https://web.archive...
