Panoramio described at URL: https://web.archive.org/web/20161101044044/http://www.panoramio.com/photo/128140975 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161021105137/http://www.panoramio.com/photo/62506499 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161023222450/http://www.panoramio.com/photo/56044666 determination method or standard: SHA-1...
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