|  China unveils grand pavilion at 2010 World Expo(Xinhua)Updated: 2008-02-18 10:50
 
|  Sudoku-style roof is lifted first time for China's pavilion at the 2010 World Expo February 18, 2008. The main structure of the China Pavilion,"The Crown of the East," has a distinctive roof, made of traditional dougong or brackets, which has a history dating back more than 2,000 years. [Xinhua] |  |