English operator: Panoramio described at URL: https://web.archive.org/web/20161030062357/http://www.panoramio.com/photo/104864276...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028000514/http://www.panoramio.com/photo/104864281...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024183742/http://www.panoramio.com/photo/88076517...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027030551/http://www.panoramio.com/photo/88076554...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027030522/http://www.panoramio.com/photo/88076550 determination method...