Flowers are placed beside a refrigerated temporary morgue outside Brooklyn Hospital Center in the Brooklyn borough of New York, the United States, on April 24, 2020. (Photos: Xinhua)

People relax as they sit in circled-off areas to assure social distancing during the COVID-19 pandemic in San Francisco, the United States, May 24, 2020.

A man wearing a face mask walks by a memorial for COVID-19 victims in front of Green-Wood Cemetery in Brooklyn borough of New York, the United States, May 27, 2020.