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A man watches a presentation of a flat screen TV model in Berlin, September 7, 2009.
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A man watches a presentation of a new flat screen TV model in Berlin, September 7, 2009.
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Britain's Queen Elizabeth watches a presentation, during her visit to her grandson, Prince William, at RAF Valley, in north Wales April 1, 2011.
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A man watches a presentation of a new flat screen TV model at the Internationale Funkausstellung (IFA) consumer electronics fair in Berlin, September 7, 2009.