English operator: Panoramio described at URL: https://web.archive.org/web/20161029172534/http://www.panoramio.com/photo/97999065...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031103104/http://www.panoramio.com/photo/113313154...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011032835/http://www.panoramio.com/photo/6613711...
English operator: Panoramio described at URL: https://web.archive.org/web/20161011074511/http://www.panoramio.com/photo/6613757...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031132544/http://www.panoramio.com/photo/114319088...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028220605/http://www.panoramio.com/photo/90058630...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030064201/http://www.panoramio.com/photo/90058625...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029111308/http://www.panoramio.com/photo/103787021 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031222054/http://www.panoramio.com/photo/114319105...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029052627/http://www.panoramio.com/photo/24098009...