operator: Panoramio described at URL: https://web.archive.org/web/20161020050613/http://www.panoramio.com/photo/50831222 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161020200148/http://www.panoramio.com/photo/50831121 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161114134742/http://www.panoramio.com/photo/49068552 determination method or standard: SHA-1...
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