English operator: Panoramio described at URL: https://web.archive.org/web/20161025144704/http://www.panoramio.com/photo/81173990 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103051025/http://www.panoramio.com/photo/130566905...
English operator: Panoramio described at URL: https://web.archive.org/web/20161026235224/http://www.panoramio.com/photo/81184086...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025050540/http://www.panoramio.com/photo/81175134...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102051232/http://www.panoramio.com/photo/126709305...
English operator: Panoramio described at URL: https://web.archive.org/web/20161103044145/http://www.panoramio.com/photo/130019045 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102150839/http://www.panoramio.com/photo/126710000...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028200909/http://www.panoramio.com/photo/93412163...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027010049/http://www.panoramio.com/photo/72278510...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030015618/http://www.panoramio.com/photo/95207010 determination method...