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English operator: Panoramio described at URL: https://web.archive.org/web/20161016134958/http://www.panoramio.com/photo/47333810 determination method...
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operator: Panoramio described at URL: https://web.archive.org/web/20161030182557/http://www.panoramio.com/photo/119919642 determination method: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161016145635/http://www.panoramio.com/photo/47333820 determination method: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161101171714/http://www.panoramio.com/photo/126485652 determination method or standard: SHA-1...