Panoramio described at URL: https://web.archive.org/web/20161027224101/http://www.panoramio.com/photo/90938522 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161030220249/http://www.panoramio.com/photo/119960759 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161012200711/http://www.panoramio.com/photo/14853099 determination method or standard: SHA-1...
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