Chinese President Xi Jinping, also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, inspects the rail transit of Daxing Airport Express at Caoqiao station in Beijing, capital of China, Sept. 25, 2019. The operation ceremony of the Beijing Daxing International Airport was held in Beijing on Wednesday morning. Xi attended the ceremony, announced the official opening of the airport and inspected the airport's platforms and check-in hall. (Xinhua/Ju Peng)