Panoramio described at URL: https://web.archive.org/web/20161014202208/http://www.panoramio.com/photo/35891027 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161021034226/http://www.panoramio.com/photo/52093750 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161024185316/http://www.panoramio.com/photo/77136302 determination method or standard: SHA-1...
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