In this combo photo, the upper half show actor Song Bufan performing acrobatic arts at Wuhan Acrobatic Hall on May 27, 2020. The lower half shows Wuhan Acrobatic Hall on April 3, 2021, with audience members filling the seats for a performance. Photo: Xinhua

In this combo photo, the upper half shows residents taking nucleic acid tests on May 15, 2020 at a testing station set up at Wujiashan No.1 Elementary School. The lower half, taken on April 6, 2021, shows students doing morning exercise on the playground of the same school. Photo: Xinhua

The upper half of the combo photo, taken on March 24, 2020, shows factory workers of Dongfeng Motor Corporation Passenger Vehicle Company maintaining a social distance of two meters while eating lunch. Taken a year later on March 30, 2021, the lower half shows the dining hall of the factory providing dine-in service for workers. Photo: Xinhua

Combo photo shows a street in Wuhan Xichenghao residential community during the lockdown on April 2, 2020, and a year after the lockdown on April 5, 2021. Photo: Xinhua

Combo photo shows residents of Huanbao neighborhood community dancing in the square after dinner on April 2, 2020, and on April 4, 2021. Photo: Xinhua

Combo photo shows the corner of First Minzhu Street and First Qianjin Road on April 16, 2020 and April 4, 2021. Photo: Xinhua

Combo photo shows First Minzhu Street in Wuhan on April 1, 2020, and April 4, 2021. Photo: Xinhua

In the combo photo, the upper half shows a rider picking up delivery package in front of a restaurant on Second Jianghan Road on April 12, 2020. The lower half shows the same restaurant on April 4, 2021. Photo: Xinhua

In the upper half of the combo photo, citizens show their digital health code to pass a station on Baocheng Road, Wuhan, April 1, 2020. The lower half shows the same location on April 4, 2021. Photo: Xinhua