English operator: Panoramio described at URL: https://web.archive.org/web/20161102083853/http://www.panoramio.com/photo/25672956 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102084201/http://www.panoramio.com/photo/25672943...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013212653/http://www.panoramio.com/photo/25673160...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013220210/http://www.panoramio.com/photo/25672962...