Combo photo shows the view of the entrance hall of the Hankou Railway Station in Wuhan, central China's Hubei Province on April 7, 2020 (upper) and on April 8, 2020.

Aerial combo photo shows the Hankou Railway Station in Wuhan, central China's Hubei Province on Feb. 10, 2020 (upper) and on April 8, 2020. (Photos: Xinhua)

Combo photo shows pedestrains crossing the road at a street in Hankou District of Wuhan, central China's Hubei Province on Jan. 26, 2020 (upper) and on April 8, 2020.

Combo photo shows the Zhongshan Avenue in Wuhan, central China's Hubei Province on Jan. 26, 2020 (upper) and on April 8, 2020.

Combo photo shows the view of the entrance hall of the Hankou Railway Station in Wuhan, central China's Hubei Province on April 7, 2020 (upper) and on April 8, 2020.

Combo photo shows the view of the Chuhehan Street in Wuhan, central China's Hubei Province on Jan. 26, 2020 (upper) and on April 8, 2020.

Combo photo shows the view of the entrance hall of the Hankou Railway Station in Wuhan, central China's Hubei Province on April 7, 2020 (upper) and on April 8, 2020.