People wearing masks walk on a path in south China's Hong Kong, March 13, 2022. On Sunday, Hong Kong registered 13,335 new COVID-19 cases by nucleic acid tests, and 19,095 additional positive cases through self-reported rapid antigen tests, official data showed.Photo:Xinhua

People wearing masks walk on the street in south China's Hong Kong, March 13, 2022.Photo:Xinhua

People wearing masks sit on a bench in south China's Hong Kong, March 13, 2022.Photo:Xinhua

A citizen wearing a face mask does exercise in south China's Hong Kong, March 13, 2022.Photo:Xinhua