English operator: Panoramio described at URL: https://web.archive.org/web/20161014093015/http://www.panoramio.com/photo/28820787...
English operator: Panoramio described at URL: https://web.archive.org/web/20161014092950/http://www.panoramio.com/photo/28820783...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013133723/http://www.panoramio.com/photo/28820792 determination method...