Workers weld the horn-shaped "Sunny Valley" building which lines the Expo Axis in the Pudong Section of the Expo Site in Shanghai, September 13, 2009. The Expo Axis is a large, integrated commercial and traffic complex providing catering, entertainment, and exhibition services. [Xinhua]![Key framework of the Shanghai Expo Axis is finished](http://www.chinadaily.com.cn/china/images/2010expo/attachement/gif/site1/20090914/0013729e45180c17f9f80b.gif)
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