Residents wearing masks to protect from the coronavirus cross a junction in Beijing on Wednesday, January 20, 2021. (Photo by Ng Han Guan/AP Photo)

In this picture taken on January 21, 2021, people visit a nightclub in Wuhan, China's central Hubei province. (Photo by Hector Retamal/AFP Photo)

This aerial photo shows bullet trains parked at a station in preparation for the upcoming Lunar New Year travel peak in Nanjing, in eastern China's Jiangsu province on January 27, 2021, as authorities have encouraged people to stay put during the Spring Festival to curb the spread of of COVID-19 coronavirus. (Photo by AFP Photo/China Stringer Network)

A reveller wears a carnival mask in St. Mark's Square to celebrate Venice's annual colourful carnival, which has been cancelled this year due to the coronavirus disease (COVID-19) pandemic, in Venice, Italy, February 7, 2021. (Photo by Manuel Silvestri/Reuters)

Street vendosr prepare grilled pigs to sell for the Chinese New Year celebrations at a market in Phnom Penh, Cambodia, 11 February 2021. Chinese people around the world celebrate the Lunar New Year, also known as the Spring Festival, which marks the year of the Ox. (Photo by Kith Serey/EPA/EFE)

Mortuary workers walk past a Christmas tree as they remove the body of an elderly person who died of COVID-19 from a nursing home in downtown Barcelona, Spain, Wednesday, December 23, 2020. (Photo by Emilio Morenatti/AP Photo)

People without face masks are seen at Times Square during the coronavirus disease (COVID-19) pandemic in New York City, U.S., March 11, 2021. (Photo by Eduardo Munoz/Reuters)

Children play with their pet Hamster at a street in Kochi on March 29, 2021. (Photo by Arun Sankar/AFP Photo)