English operator: Panoramio described at URL: https://web.archive.org/web/20161028060446/http://www.panoramio.com/photo/99623041 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027190034/http://www.panoramio.com/photo/99623083 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030063312/http://www.panoramio.com/photo/99622988 determination method...