English operator: Panoramio described at URL: https://web.archive.org/web/20161017191332/http://www.panoramio.com/photo/42604180 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031131353/http://www.panoramio.com/photo/116959581 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103144948/http://www.panoramio.com/photo/131674259 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012081138/http://www.panoramio.com/photo/17577384 determination method...
archive.org/web/20161029104131/http://www.panoramio.com/user/5441114?with_photo_id=104353095 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028162136/http://www.panoramio.com/user/5441114?with_photo_id=104353082 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028162057/http://www.panoramio.com/user/5441114?with_photo_id=104353081 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161028180105/http://www.panoramio.com/user/5441114?with_photo_id=104353077 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161031201123/http://www.panoramio.com/user/2187091?with_photo_id=120639609 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161102050504/http://www.panoramio.com/user/2187091?with_photo_id=120639599 operator: Panoramio described at URL: https://web.archive...