English operator: Panoramio described at URL: https://web.archive.org/web/20161028074241/http://www.panoramio.com/photo/103695662...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029105642/http://www.panoramio.com/photo/99850570...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030105422/http://www.panoramio.com/photo/103695963...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028043659/http://www.panoramio.com/photo/103694801...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031203846/http://www.panoramio.com/photo/103696779...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029120032/http://www.panoramio.com/photo/103696084...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028090753/http://www.panoramio.com/photo/99545952 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029130419/http://www.panoramio.com/photo/103694874...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028180551/http://www.panoramio.com/photo/99851794...