English operator: Panoramio described at URL: https://web.archive.org/web/20161025131006/http://www.panoramio.com/photo/83996862 determination method...
Panoramio described at URL: https://web.archive.org/web/20161024110310/http://www.panoramio.com/photo/83996885 determination method or standard: SHA-1...
archive.org/web/20161027074039/http://www.panoramio.com/user/5927699?with_photo_id=83996951 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161024182052/http://www.panoramio.com/user/5927699?with_photo_id=83996805 operator: Panoramio described at URL: https://web.archive...