English operator: Panoramio described at URL: https://web.archive.org/web/20161028180852/http://www.panoramio.com/photo/100748572 determination method...
archive.org/web/20161029203423/http://www.panoramio.com/user/2972562?with_photo_id=102385006 operator: Panoramio described at URL: https://web.archive...
