English operator: Panoramio described at URL: https://web.archive.org/web/20161028165051/http://www.panoramio.com/photo/90422249...
English operator: Panoramio described at URL: https://web.archive.org/web/20161029061821/http://www.panoramio.com/photo/90422502 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027210823/http://www.panoramio.com/photo/90422515...
English operator: Panoramio described at URL: https://web.archive.org/web/20161027220536/http://www.panoramio.com/photo/90422485 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161030042352/http://www.panoramio.com/photo/90422678...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102223106/http://www.panoramio.com/photo/90422568 determination method: SHA-1...
English determination method or standard: SHA-1...
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