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Duisburg is on one end of the Chongqing-Xinjiang-Europe rail line, which started operation in 2011 from the southwest Chinese city of Chongqing. In recent years, more and more trains operated by CRE from Zhengzhou, Wuhan, Yiwu, Shenyang and other Chinese cities have been arriving here.

Dong Dengxin, head of the research institute of finance and securities with Wuhan University of Science and Technology, said the easing could help lower transaction cost and improve market liquidity.

Du said after 40 years of rapid development, a network of expressway and high-speed railway lines has been formed, and the transportation system in coastal cities in the east is maturing.

Dou said he hoped the journey would help his daughter grow, and he wrote her a letter during the journey telling her to learn, to be strong and persistent when facing difficulties.

Donohue said professors from the Californian institute will be sent to teach the program, which aims to develop Chinese psychologists.