English operator: Panoramio described at URL: https://web.archive.org/web/20161102191602/http://www.panoramio.com/photo/108829492 determination method...
operator: Panoramio described at URL: https://web.archive.org/web/20161029232854/http://www.panoramio.com/photo/108829482 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029232710/http://www.panoramio.com/photo/108829480 determination method...