Panoramio described at URL: https://web.archive.org/web/20161108190939/http://www.panoramio.com/photo/104692277 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161029134155/http://www.panoramio.com/photo/104692204 determination method or standard: SHA-1...