English operator: Panoramio described at URL: https://web.archive.org/web/20161013195012/http://www.panoramio.com/photo/26684197...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013212040/http://www.panoramio.com/photo/26682384...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013203424/http://www.panoramio.com/photo/26684580...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102140845/http://www.panoramio.com/photo/56003194 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102140854/http://www.panoramio.com/photo/56003196...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101042002/http://www.panoramio.com/photo/113934429...
archive.org/web/20161030222046/http://www.panoramio.com/user/558771?with_photo_id=94781888 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161015051107/http://www.panoramio.com/user/533349?with_photo_id=35016879 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023052104/http://www.panoramio.com/user/3937553?with_photo_id=67621955 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161017172350/http://www.panoramio.com/user/5590153?with_photo_id=49835205 operator: Panoramio described at URL: https://web.archive...