English operator: Panoramio described at URL: https://web.archive.org/web/20161102085728/http://www.panoramio.com/photo/120194901...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102185212/http://www.panoramio.com/photo/120195028...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031072921/http://www.panoramio.com/photo/120194935...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030183250/http://www.panoramio.com/photo/120194952...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031144110/http://www.panoramio.com/photo/120195001...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031072806/http://www.panoramio.com/photo/120194930 determination method...