English operator: Panoramio described at URL: https://web.archive.org/web/20161013052250/http://www.panoramio.com/photo/12451623 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012215131/http://www.panoramio.com/photo/12451611 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161013052344/http://www.panoramio.com/photo/12451628...
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