A high speed train arrives at 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. [Xinhua/Sun Zhongzhe]