A high speed train leaves Zaozhuang West Station in Zaozhuang city, East China's Shandong province, Feb 20, 2011. On Sunday, the Beijing-Shanghai high speed railway started a test run on its Shanghai section that runs from Zaozhuang city in Shandong province and Shanghai municipality. The Beijing-Shanghai high speed rail service provides a 4-hour link between the twin cosmopolitan cities in China once fully operational late 2011. [Photo/Xinhua]

A high speed train leaves Shanghai Hongqiao railway station for a test run in Shanghai, Feb 20, 2011. [Photo/Xinhua]