Staff members put up a notice saying that their store is temporarily closed on the Central Street in Harbin, northeast China's Heilongjiang Province, Dec. 5, 2021. Harbin announced on Saturday that all restaurants would suspend eat-in service and would only be able to offer pick-up or take-away orders. Besides, all commercial establishments other than those essential to people's daily lives were closed. (Xinhua/Xie Jianfei)

People walk past a closed shopping mall on the Central Street in Harbin, northeast China's Heilongjiang Province, Dec. 5, 2021. Harbin announced on Saturday that all restaurants would suspend eat-in service and would only be able to offer pick-up or take-away orders. Besides, all commercial establishments other than those essential to people's daily lives were closed. (Xinhua/Zhang Tao)

A citizen orders food using a smartphone on the Central Street in Harbin, northeast China's Heilongjiang Province, Dec. 5, 2021. Harbin announced on Saturday that all restaurants would suspend eat-in service and would only be able to offer pick-up or take-away orders. Besides, all commercial establishments other than those essential to people's daily lives were closed. (Xinhua/Zhang Tao)

A notice saying a restaurant is temporarily closed is seen on the Central Street in Harbin, northeast China's Heilongjiang Province, Dec. 5, 2021. Harbin announced on Saturday that all restaurants would suspend eat-in service and would only be able to offer pick-up or take-away orders. Besides, all commercial establishments other than those essential to people's daily lives were closed. (Xinhua/Xie Jianfei)

A food delivery courier is seen at work in Harbin, northeast China's Heilongjiang Province, Dec. 5, 2021. Harbin announced on Saturday that all restaurants would suspend eat-in service and would only be able to offer pick-up or take-away orders. Besides, all commercial establishments other than those essential to people's daily lives were closed. (Xinhua/Xie Jianfei)