People gather outside a hospital to express their gratitude and respect to health workers in New York, the United States, on April 16, 2020. Every evening at around 7p.m., New Yorkers clap and cheer on all essential workers as a sign of support and appreciation during the COVID-19 pandemic. (Photo by Michael Nagle/ Xinhua)

A man claps on his balcony in New York, the United States, on April 16, 2020. Every evening at around 7p.m., New Yorkers clap and cheer on all essential workers as a sign of support and appreciation during the COVID-19 pandemic. (Photo by Michael Nagle/ Xinhua)

A woman bangs a pot to express her gratitude and respect to healthcare workers outside a hospital in New York, the United States, on April 16, 2020. Every evening at around 7p.m., New Yorkers clap and cheer on all essential workers as a sign of support and appreciation during the COVID-19 pandemic. (Photo by Michael Nagle/ Xinhua)

Firefighters clap to support healthcare workers in front of a hospital in New York, the United States, on April 16, 2020. Every evening at around 7p.m., New Yorkers clap and cheer on all essential workers as a sign of support and appreciation during the COVID-19 pandemic. (Photo by Michael Nagle/ Xinhua)

People gather outside a hospital to express their gratitude and respect to health workers in New York, the United States, on April 16, 2020. Every evening at around 7p.m., New Yorkers clap and cheer on all essential workers as a sign of support and appreciation during the COVID-19 pandemic. (Photo by Michael Nagle/ Xinhua)

A woman bangs a pot to express her gratitude and respect to healthcare workers in New York, the United States, on April 16, 2020. Every evening at around 7p.m., New Yorkers clap and cheer on all essential workers as a sign of support and appreciation during the COVID-19 pandemic. (Photo by Michael Nagle/ Xinhua)