Photo taken on Aug. 7, 2020 shows a press conference in Hong Kong, south China. Carrie Lam said on Friday that a mass screening for COVID-19 will be launched and any resident can take the free testing voluntarily. The large-scale testing covering millions of people in Hong Kong will be conducted with the support of the central government and is scheduled to take place within two weeks, she told the press conference. (Xinhua/Lui Siu Wai)
