English operator: Panoramio described at URL: https://web.archive.org/web/20161029184732/http://www.panoramio.com/photo/104108852...
operator: Panoramio described at URL: https://web.archive.org/web/20161029132530/http://www.panoramio.com/photo/104108862 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161028194453/http://www.panoramio.com/photo/104109088 determination method...