English operator: Panoramio described at URL: https://web.archive.org/web/20161023184215/http://www.panoramio.com/photo/56785603...
English operator: Panoramio described at URL: https://web.archive.org/web/20161019171510/http://www.panoramio.com/photo/56785591...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030213738/http://www.panoramio.com/photo/114543873...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103021519/http://www.panoramio.com/photo/57428278...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103022909/http://www.panoramio.com/photo/114543900...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021093143/http://www.panoramio.com/photo/56785619...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030213430/http://www.panoramio.com/photo/114543871...
English operator: Panoramio described at URL: https://web.archive.org/web/20161023184247/http://www.panoramio.com/photo/56785606...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021093051/http://www.panoramio.com/photo/56785612...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102220735/http://www.panoramio.com/photo/114543896 determination method...