A driver on the high-speed train D4355 bound for Yinchuan, northwest China’s Ningxia Hui autonomous region, prepares to depart at Xi’an North Railway Station in Xi’an, northwest China’s Shaanxi province, Dec. 26, 2020. (People’s Daily Online/Liu Xiang)

A crew member works on the high-speed train D4355 bound for Yinchuan, northwest China’s Ningxia Hui autonomous region, Dec. 26, 2020. (People’s Daily Online/Liu Xiang)

Drivers work on the high-speed train D4355 bound for Yinchuan, northwest China’s Ningxia Hui autonomous region, from Xi’an, northwest China’s Shaanxi province, Dec. 26, 2020. (People’s Daily Online/Liu Xiang)

Photo taken on Dec. 26, 2020, shows Liang Xiuyan (second on the right), a train driver along the Yinchuan-Xi’an high-speed railway, and his family members displaying tickets of the high-speed train D4355 bound for Yinchuan, northwest China’s Ningxia Hui autonomous region. The off-duty driver accompanied his family members on the trip to his hometown in Qingyang, northwest China’s Gansu province, by the high-speed train. It’s the first time for his 79-year-old grandfather to take a train and a high-speed train. (People’s Daily Online/Liu Xiang)