People wearing face masks walk on the Champs Elysees Avenue in Paris, France, Aug. 28, 2020. French Prime Minister Jean Castex on Thursday declared an additional 19 departments, including the Paris region, high-risk zones as "the virus is progressing throughout the territory," forcing authorities to toughen rules and consider all scenarios to contain an eventual second wave of coronavirus cases. (Xinhua/Gao Jing)
