Passengers take a train at Beijing North Railway Station in Beijing, capital of China, Jan. 24, 2023. The Beijing-Zhangjiakou high-speed railway line brings great convenience to people's skiing trip to Chongli district of Zhangjiakou City in north China's Hebei province. (Xinhua/Li Xin)
Passengers take a train at Beijing North Railway Station in Beijing, capital of China, Jan. 24, 2023. The Beijing-Zhangjiakou high-speed railway line brings great convenience to people's skiing trip to Chongli district of Zhangjiakou City in north China's Hebei province. (Xinhua/Li Xin)
Passengers take a train at Beijing North Railway Station in Beijing, capital of China, Jan. 24, 2023. The Beijing-Zhangjiakou high-speed railway line brings great convenience to people's skiing trip to Chongli district of Zhangjiakou City in north China's Hebei province. (Xinhua/Li Xin)