Xinhua Headlines: First U.S. transcontinental railroad shows that Americans, Chinese together can make impossible possible

U.S. Secretary of Transportation Elaine L. Chao delivers a speech during the celebration for the 150th anniversary of the completion of the nation's first transcontinental railroad at the Golden Spike National Historical Park at Promontory Summit, the United States, May 10, 2019. (Xinhua/Li Ying)