archive.org/web/20161014111107/http://www.panoramio.com/user/760796?with_photo_id=29683183 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013172814/http://www.panoramio.com/photo/29683461 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014121914/http://www.panoramio.com/photo/29683522...