Panoramio described at URL: https://web.archive.org/web/20161026201520/http://www.panoramio.com/photo/87760778 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161014032916/http://www.panoramio.com/photo/29546385 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161028180257/http://www.panoramio.com/photo/100274610 determination method or standard: SHA-1...
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