English operator: Panoramio described at URL: https://web.archive.org/web/20161102212326/http://www.panoramio.com/photo/103695529...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027232105/http://www.panoramio.com/photo/99850580...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102215529/http://www.panoramio.com/photo/99545810...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028162616/http://www.panoramio.com/photo/103694639...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029000342/http://www.panoramio.com/photo/103695852...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031075704/http://www.panoramio.com/photo/103695554...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028182119/http://www.panoramio.com/photo/103696689...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027235523/http://www.panoramio.com/photo/103695381 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027233437/http://www.panoramio.com/photo/99546620 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027223358/http://www.panoramio.com/photo/99852314...