panoramio.com/user/12239?with_photo_id=56573358 operator: Panoramio described at URL: https://web.archive.org/web/20161023050724/http://www.panoramio...
English operator: Panoramio described at URL: https://web.archive.org/web/20161018025603/http://www.panoramio.com/photo/43113819 determination method...
