English operator: Panoramio described at URL: https://web.archive.org/web/20161027184419/http://www.panoramio.com/photo/99616809...
archive.org/web/20161014015515/http://www.panoramio.com/user/3057152?with_photo_id=23124682 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015142517/http://www.panoramio.com/user/4685153?with_photo_id=37545679 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031045333/http://www.panoramio.com/photo/128997567...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031031752/http://www.panoramio.com/photo/128997763 determination method...
archive.org/web/20161028032312/http://www.panoramio.com/user/130481?with_photo_id=91745231 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161017142342/http://www.panoramio.com/user/2611361?with_photo_id=41938304 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161014225003/http://www.panoramio.com/user/2952309?with_photo_id=39489854 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015035342/http://www.panoramio.com/user/4685153?with_photo_id=37546927 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015132218/http://www.panoramio.com/user/4685153?with_photo_id=37546967 operator: Panoramio described at URL: https://web.archive...