Visitors watch the model of the National Olympic Stadium, also known as the Bird's Nest, at the Programming and Construction Exhibition Center of Nanjing, capital of east China's Jiangsu Province, Oct. 4, 2007. The Olympic Museum Pieces China Tour Exhibition (Nanjing Leg) attracted a large number of visitors during the National Day holiday.

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A visitor views an exhibiting item at the Programming and Construction Exhibition Center of Nanjing, capital of East China's Jiangsu Province, Oct. 4, 2007.

A boy views an exhibiting item at the Programming and Construction Exhibition Center of Nanjing, capital of East China's Jiangsu Province, Oct. 4, 2007.

Children play a game featuring Olympic history at the Programming and Construction Exhibition Center of Nanjing, capital of East China's Jiangsu Province, Oct. 4, 2007.

(Xinhua News Agency October 5, 2007)