English operator: Panoramio described at URL: https://web.archive.org/web/20161028193411/http://www.panoramio.com/photo/95837834...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103160254/http://www.panoramio.com/photo/133770160...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028011252/http://www.panoramio.com/photo/95837870...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029011819/http://www.panoramio.com/photo/95837824 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102165111/http://www.panoramio.com/photo/120973593...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102162441/http://www.panoramio.com/photo/95837892...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027233103/http://www.panoramio.com/photo/95839939...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031234207/http://www.panoramio.com/photo/120973562 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029130847/http://www.panoramio.com/photo/95837884...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101061727/http://www.panoramio.com/photo/120973547...