English operator: Panoramio described at URL: https://web.archive.org/web/20161103150024/http://www.panoramio.com/photo/132360609...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030025138/http://www.panoramio.com/photo/93091536...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103073531/http://www.panoramio.com/photo/130920398...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103151510/http://www.panoramio.com/photo/130920566 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102222659/http://www.panoramio.com/photo/112050726...