Photo taken on April 13, 2020 shows the Changjiangxincheng medical observation station in Wuhan, central China's Hubei Province. The medical observation station declared its closure on Monday as its last 7 cured patients finished their 14-day quarantine for medical observation. Since it was put into use on March 3, the station has received 1,419 cured patients to undergo a further quarantine for medical observation. (Photo by Shi Wei/Xinhua)