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English operator: Panoramio described at URL: https://web.archive.org/web/20161102112846/http://www.panoramio.com/photo/128938914...
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English operator: Panoramio described at URL: https://web.archive.org/web/20161031202853/http://www.panoramio.com/photo/128938294...
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English operator: Panoramio described at URL: https://web.archive.org/web/20161102182508/http://www.panoramio.com/photo/128938289...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102182505/http://www.panoramio.com/photo/128938286...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031160822/http://www.panoramio.com/photo/128937812 determination method...
English operator: Panoramio described at URL: https://web.archive.org/web/20161031202924/http://www.panoramio.com/photo/128938297...
English operator: Panoramio described at URL: https://web.archive.org/web/20161102054644/http://www.panoramio.com/photo/128937525...