Panoramio described at URL: https://web.archive.org/web/20161010123856/http://www.panoramio.com/photo/5868679 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161012232218/http://www.panoramio.com/photo/5868592 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161009212252/http://www.panoramio.com/photo/5868517 determination method or standard: SHA-1...
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