English operator: Panoramio described at URL: https://web.archive.org/web/20161021140624/http://www.panoramio.com/photo/67222746...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102071237/http://www.panoramio.com/photo/120295910...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025114349/http://www.panoramio.com/photo/74323392...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031101138/http://www.panoramio.com/photo/120326289...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030184656/http://www.panoramio.com/photo/120297351...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030222201/http://www.panoramio.com/photo/120297313...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023064237/http://www.panoramio.com/photo/62715256...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101070934/http://www.panoramio.com/photo/120326251 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030214531/http://www.panoramio.com/photo/120299540...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029165142/http://www.panoramio.com/photo/102401649...