Panoramio described at URL: https://web.archive.org/web/20161101182931/http://www.panoramio.com/photo/129879347 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161102035659/http://www.panoramio.com/photo/129879362 determination method or standard: SHA-1...