English operator: Panoramio described at URL: https://web.archive.org/web/20161017155824/http://www.panoramio.com/photo/48353686 determination method...
panoramio.com/user/346319?with_photo_id=1930554 operator: Panoramio described at URL: https://web.archive.org/web/20161010193852/http://www.panoramio...
