"<p>A visitor looks at a three-dimensional, holographic version of the 16th century portrait ""Mona Lisa"" by Leonardo da Vinci as it waves to her in Beijing's Alive Gallery August 21, 2009. Known as the world's most famous painting, this holographic version moves and answers questions put to it by onlookers, and is one of several classical paintings showcased in an exhibition promoted as bringing ""the world's most famous artworks alive"". REUTERS/David Gray</p>"
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