Residents cross a road wearing masks on Wednesday in Nanjing, East China’s Jiangsu province. The city has reported 171 Covid-19 cases as of Wednesday, according to the health commission of the city. Photo: VCG

A resident passes by the Nanjing Coach Station, which was closed due to the spread of Covid-19, on Tuesday in Nanjing. Photo: VCG

A worker sprays disinfectant inside the Nanjing Coach Station on Tuesday. Photo: Yang Bo/China News Service, VCG

Residents pass by an entrance of a closed movie theater in Nanjing on Wednesday. Photo: VCG

The Bona International Cineplex in Jiangbei New Area of Nanjing was closed on Tuesday due to the Covid-19 outbreak. Photo: VCG

A shopping mall in Jiangbei New Area in Nanjing appears empty on Tuesday. Photo: VCG

Few customers can be seen in a shopping mall in Hexi district in Nanjing on Wednesday. Photo: The Paper

Commercial outlets are enclosed with police lines and barricades in a residential building on Mochohu road in Nanjing on Wednesday. Photo: VCG

Workers post Covid-19 notices on a road in Nanjing on Wednesday. Photo: Yang Bo/China News Service, VCG

Residents queue in line to get tested for Covid-19 in Xinjiekou district of Nanjing on Wednesday night. Photo: Yang Bo/China News Service, VCG

Residents line up Thursday to take the third Covid-19 test in Nanjing. Photo: VCG