Panoramio described at URL: https://web.archive.org/web/20161031144701/http://www.panoramio.com/photo/113722854 determination method or standard: SHA-1...
Panoramio described at URL: https://web.archive.org/web/20161031152044/http://www.panoramio.com/photo/113641679 determination method or standard: SHA-1...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027063123/http://www.panoramio.com/photo/82907374 determination method...
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