Construction workers were seen working around the clock to assemble integrated housing units at an isolation center in Shijiazhuang City, north China's Hebei Province, January 16, 2021. /CFP

A total of 3,000 houses are to be constructed and used as makeshift wards to receive close contacts of confirmed COVID19 patients. Each ward has a floor space of 18 square meters. /CFP

A local worker, who also helped construct Wuhan's Leishenshan Hospital, said he was touched to see people from across the country help the city in its efforts to contain COVID-19. /CFP

According to national health authorities, Hebei Province reported 72 new confirmed cases on Saturday, 65 of which were in Shijiazhuang City. /CFP