Aerial photo taken on March 16, 2020 shows a scene of the Xiaotangshan Hospital in Beijing, capital of China. Beijing on March 16 put the Xiaotangshan Hospital into use, with more than 1,000 beds prepared for the screening and treatment of imported mild and common confirmed COVID-19 cases, suspected cases and those who need to be tested, according to the municipal leading group for epidemic prevention and control. [Photo/Xinhua]