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operator: Panoramio described at URL: https://web.archive.org/web/20161018003202/http://www.panoramio.com/photo/45787702 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012114236/http://www.panoramio.com/photo/10098893 determination method...
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Panoramio described at URL: https://web.archive.org/web/20161013003903/http://www.panoramio.com/photo/10098860 determination method or standard: SHA-1...
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