A burned-out minibus is seen after an explosion in the Shidaoshan Tunnel on the expressway between Hefei and Wuhu in East China's Anhui Province, May 31, 2007. The minibus caught fire and exploded while traveling in the 1,100-meter tunnel, halting traffic for half an hour. Several people were treated for smoke inhalation. [Jianghuai Morning News]

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