English operator: Panoramio described at URL: https://web.archive.org/web/20161030120238/http://www.panoramio.com/photo/107840259...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030115501/http://www.panoramio.com/photo/107840252 determination method...
Panoramio described at URL: https://web.archive.org/web/20161029160500/http://www.panoramio.com/photo/107019902 determination method or standard: SHA-1...
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