English operator: Panoramio described at URL: https://web.archive.org/web/20161030073930/http://www.panoramio.com/photo/95340371 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030042252/http://www.panoramio.com/photo/95437195...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027214355/http://www.panoramio.com/photo/95340209...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028231613/http://www.panoramio.com/photo/105760929...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027203955/http://www.panoramio.com/photo/95572073...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028052550/http://www.panoramio.com/photo/95572222...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029003802/http://www.panoramio.com/photo/95572474...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028174032/http://www.panoramio.com/photo/95572343...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028052144/http://www.panoramio.com/photo/95572688...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029210914/http://www.panoramio.com/photo/95572638...