English operator: Panoramio described at URL: https://web.archive.org/web/20161031153643/http://www.panoramio.com/photo/125806867...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031083131/http://www.panoramio.com/photo/125806642...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031064534/http://www.panoramio.com/photo/125806859 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101130530/http://www.panoramio.com/photo/125806942...