Aerial photo shows the construction site of the Huangzhuang Apartment COVID-19 quarantine center in Shijiazhuang, north China's Hebei Province, Jan. 19, 2021. The Chinese characters written on the roof top means "Cheer Up". With 606 quarantine rooms and supporting facilities delivered on Tuesday, the construction of the Huangzhuang Apartment COVID-19 quarantine center in Shijiazhuang is about to be completed. (Xinhua/Yang Shiyao)
