English operator: Panoramio described at URL: https://web.archive.org/web/20161025001332/http://www.panoramio.com/photo/89425573...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026112553/http://www.panoramio.com/photo/89485106...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025043727/http://www.panoramio.com/photo/89423870 determination method...