![National city expo kicks off in Langfang](../../images/attachement/jpg/site1/20100903/0023ae80a2120deb0e7c05.jpg) |
Chen Quanguo(second from left), governor of Hebei province, presses the launch button at the opening ceremony. Photo by Liu Xiang.
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![National city expo kicks off in Langfang](../../images/attachement/jpg/site1/20100903/0023ae80a2120deb0ed006.jpg) |
Wang Aimin, mayor of Langfang, Hebei, delivers a speech at the opening ceremony. Photo by Liu Xiang.
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By Guo Changodong and Liu Xiang
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