Light traffic is seen on a road near Yellow Crane Tower, in Wuhan, Hubei province, on Jan 24, 2020. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

A resident rides past the closed Huangpu Road metro station in Wuhan, Hubei province, on Jan 25, 2020. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

Luo (right), owner of a breakfast shop on Huiji Road in Wuhan, Hubei province, ladles soup for a customer in his shop, on Jan 25, 2020. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

A man is on his way to deliver gas containers on Huiji Road in Wuhan, Hubei province, on Jan 25, 2020. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

Light traffic is pictured on an overpass in Wuhan, Hubei province, on Jan 26, 2020. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

A takeaway delivery driver rests as he takes new orders on his mobile phone, on Huangxiaohe Road in Wuhan, Hubei province, on Jan 26, 2020.(ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

Taxi drivers wait beside their cars on Jan 28, 2020. Local authorities in Wuhan, Hubei province, have designated 6,000 taxis to deliver food and commodities to residents in downtown areas. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

The Wuhan Yangtze River Tunnel in Wuhan, Hubei province, is empty on Jan 28, 2020. The river-crossing tunnel was officially closed on Jan 25. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

A local resident wraps a plastic bag around his head to protect himself against the virus as he rides a scooter in Wuhan, Hubei province, on Jan 28, 2020.(ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

A community in Jinagan district in Wuhan, Hubei province, puts up a notice board, forbidding the entry of cars from outside the neighborhood, on Jan 28, 2020. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

A security guard stands at the entrance of Guiyuan Buddhist Temple in Wuhan, Hubei province, on Jan 29, 2020. The temple was officially closed on Jan 24. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

Employees at Han Street clear underground sewage in Wuhan, Hubei province, on Jan 29, 2020. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)

A resident purchases N95 masks in a pharmacy on Qingyuan Middle Road in Wuhan, Hubei province, on Jan 29, 2020. (ZHOU GUOQIANG / FOR CHINADAILY.COM.CN)