In this photo released by Xinhua News Agency, a volunteer in protective gears uses a loud speaker to advise people to keep social distancing at a COVID-19 testing site in Sanya in south China's Hainan Province on Sunday, August 7, 2022. The capital of China's Hainan province has locked down its residents for 13 hours as a COVID-19 outbreak grows on the tropical island during the summer school holidays. (Photo by Zhao Yingquan/Xinhua via AP Photo)
