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Wang Qishan (C), Chinese Vice Premier and member of the World Expo 2010 Shanghai Organizing Committee, Yu Zhengsheng (R), secretary of the Shanghai Municipal Committee of the Communist Party of China and director of the World Expo 2010 Shanghai Executive Committee, and Vicente Gonzalez Loscertales, secretary-general of the Bureau of International Expositions, attend the opening ceremony of the traveling exhibition of the Shanghai World Expo 2010 in Beijing, capital of China, on July 5, 2009. The exhibition, kicked off at the Capital Museum on Sunday, reviews the historty of the World Expo and introduces the situation of preparation for the Shanghai 2010 World Expo, to mark the 300-day countdown of the event. [Xinhua]