Chicago Mayor Rahm Emanuel speaks during a ground-breaking ceremony for a railcar assembly plant in Chicago, the United States, March 16, 2017. As the investor, China Railway Rolling Stock Corporation (CRRC) Sifang America held a ground-breaking ceremony for a railcar assembly plant in Chicago's Southeast Side on Thursday. The investment by Chinese firm CRRC Sifang in Chicago will bring more job opportunities and contribute to the local economy, said Cui Tiankai, the Chinese Ambassador to the United States, in a letter to congratulate a new railcar assembly plant Thursday. (Xinhua/Wang Ping)