Passengers board a train for Urumqi at Lanzhou West Railway Station in Lanzhou, northwest China's Gansu Province, April 1, 2020. Train service from Lanzhou to Guangzhou, Shanghai, Wuhan and Urumqi gradually resumed with rigid coronavirus prevention measures. (Xinhua/Chen Bin)
Passengers prepare to board a train for Guangzhou at Lanzhou West Railway Station in Lanzhou, northwest China's Gansu Province, April 1, 2020. Train service from Lanzhou to Guangzhou, Shanghai, Wuhan and Urumqi gradually resumed with rigid coronavirus prevention measures. (Xinhua/Chen Bin)
Stewardess Liang Boqi checks the luggage rack on a train at Lanzhou West Railway Station in Lanzhou, northwest China's Gansu Province, April 1, 2020. Train service from Lanzhou to Guangzhou, Shanghai, Wuhan and Urumqi gradually resumed with rigid coronavirus prevention measures. (Xinhua/Chen Bin)