English operator: Panoramio described at URL: https://web.archive.org/web/20161017180644/http://www.panoramio.com/photo/46079132...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021194920/http://www.panoramio.com/photo/69728884...
English operator: Panoramio described at URL: https://web.archive.org/web/20161022210151/http://www.panoramio.com/photo/57625948...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025131040/http://www.panoramio.com/photo/89402913...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028054043/http://www.panoramio.com/photo/100874811...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024162813/http://www.panoramio.com/photo/70538480 determination method...
archive.org/web/20161024033936/http://www.panoramio.com/user/6549655?with_photo_id=64535057 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024212808/http://www.panoramio.com/user/6980009?with_photo_id=74360656 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023122932/http://www.panoramio.com/user/4752073?with_photo_id=63278717 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161025160117/http://www.panoramio.com/user/4784666?with_photo_id=77251484 operator: Panoramio described at URL: https://web.archive...