People line up to receive free food outside a school in New York, the United States, Aug. 18, 2020. Global COVID-19 cases surpassed 22 million on Tuesday, according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. The United States has suffered the most from the pandemic, with 5,480,487 cases and 171,687 fatalities. (Xinhua/Wang Ying)

Pedestrians walk past diner booths in New York, the United States, Aug. 18, 2020. Global COVID-19 cases surpassed 22 million on Tuesday, according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. The United States has suffered the most from the pandemic, with 5,480,487 cases and 171,687 fatalities. (Xinhua/Wang Ying)

A girl plays water at a fountain in New York, the United States, Aug. 18, 2020. Global COVID-19 cases surpassed 22 million on Tuesday, according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. The United States has suffered the most from the pandemic, with 5,480,487 cases and 171,687 fatalities. (Xinhua/Wang Ying)

A pedestrian walks past a temporarily closed fitness center in New York, the United States, Aug. 18, 2020. Global COVID-19 cases surpassed 22 million on Tuesday, according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. The United States has suffered the most from the pandemic, with 5,480,487 cases and 171,687 fatalities. (Xinhua/Wang Ying)