Residents exercise by a river in Wuhan, capital of central China's Hubei Province, April 1, 2020. Life in Wuhan is gradually back to normal as the coronavirus outbreak wanes. (Xinhua/Fei Maohua)

Children have fun on a square in Wuhan, capital of central China's Hubei Province, April 1, 2020. Life in Wuhan is gradually back to normal as the coronavirus outbreak wanes. (Xinhua/Xiao Yijiu)

Deliverymen wait for orders on a street in Wuhan, capital of central China's Hubei Province, April 1, 2020. Life in Wuhan is gradually back to normal as the coronavirus outbreak wanes. (Xinhua/Fei Maohua)

Children have fun on a square in Wuhan, capital of central China's Hubei Province, April 1, 2020. Life in Wuhan is gradually back to normal as the coronavirus outbreak wanes. (Xinhua/Fei Maohua)

Residents walk by a river in Hankou District of Wuhan, capital of central China's Hubei Province, April 1, 2020. Life in Wuhan is gradually back to normal as the coronavirus outbreak wanes. (Xinhua/Xiao Yijiu)

People enjoy spring on a square in Wuhan, capital of central China's Hubei Province, April 1, 2020. Life in Wuhan is gradually back to normal as the coronavirus outbreak wanes. (Xinhua/Fei Maohua)