English operator: Panoramio described at URL: https://web.archive.org/web/20161019183830/http://www.panoramio.com/photo/50609709...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024005125/http://www.panoramio.com/photo/50664258 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161024021458/http://www.panoramio.com/photo/50609680...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021050255/http://www.panoramio.com/photo/50664309 determination method...