Panoramio described at URL: https://web.archive.org/web/20161021020349/http://www.panoramio.com/photo/50366188 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161011232701/http://www.panoramio.com/photo/9720100 determination method or standard: SHA-1...
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