A crew member of train G124 distributes leaflets about epidemic prevention and control to passengers on a train from Hongqiao Railway Station in east China's Shanghai, to Beijing South Railway Station in Beijing, capital of China, Jan. 26, 2021. As the Spring Festival travel rush is approaching, epidemic prevention and control measures are implemented on railway trains to ensure the safety of passengers. (Xinhua/Chen Fei)

A crew member of train G124 provides epidemic prevention supplies for passengers on a train from Hongqiao Railway Station in east China's Shanghai, to Beijing South Raiway Station in Beijing, capital of China, Jan. 26, 2021. As the Spring Festival travel rush is approaching, epidemic prevention and control measures are implemented on railway trains to ensure the safety of passengers. (Xinhua/Chen Fei)

A crew member of train G124 disinfects the public area of the cabin on a train from Hongqiao Railway Station in east China's Shanghai, to Beijing South Railway Station in Beijing, capital of China, Jan. 26, 2021. As the Spring Festival travel rush is approaching, epidemic prevention and control measures are implemented on railway trains to ensure the safety of passengers. (Xinhua/Chen Fei)

A crew member of train G124 introduces epidemic prevention and control measures to passengers on a train from Hongqiao Railway Station in east China's Shanghai, to Beijing South Railway Station in Beijing, capital of China, Jan. 26, 2021. As the Spring Festival travel rush is approaching, epidemic prevention and control measures are implemented on railway trains to ensure the safety of passengers. (Xinhua/Chen Fei)

Crew members of train G124 welcome passengers at the platform of Hongqiao Railway Station in Shanghai, east China, Jan. 26, 2021. As the Spring Festival travel rush is approaching, epidemic prevention and control measures are implemented on railway trains to ensure the safety of passengers. (Xinhua/Chen Fei)

Crew members of train G124 welcome passengers at the platform of Hongqiao Railway Station in Shanghai, east China, Jan. 26, 2021. As the Spring Festival travel rush is approaching, epidemic prevention and control measures are implemented on railway trains to ensure the safety of passengers. (Xinhua/Chen Fei)