English operator: Panoramio described at URL: https://web.archive.org/web/20161030125943/http://www.panoramio.com/photo/101057504...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101131603/http://www.panoramio.com/photo/127017720...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101004237/http://www.panoramio.com/photo/127017707...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101071624/http://www.panoramio.com/photo/101057518...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030123401/http://www.panoramio.com/photo/96434321...
English operator: Panoramio described at URL: https://web.archive.org/web/20161101131719/http://www.panoramio.com/photo/127017723 determination method...