English operator: Panoramio described at URL: https://web.archive.org/web/20161031174904/http://www.panoramio.com/photo/114015734 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103050634/http://www.panoramio.com/photo/133770358...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014194955/http://www.panoramio.com/photo/39235866...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102095134/http://www.panoramio.com/photo/122692988...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102211719/http://www.panoramio.com/photo/122692416...
archive.org/web/20161027194624/http://www.panoramio.com/user/4147970?with_photo_id=91720343 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013235223/http://www.panoramio.com/user/596286?with_photo_id=29542601 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029163015/http://www.panoramio.com/user/4147970?with_photo_id=91720339 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161029163009/http://www.panoramio.com/user/4147970?with_photo_id=91720338 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023022124/http://www.panoramio.com/user/5551724?with_photo_id=56721638 operator: Panoramio described at URL: https://web.archive...