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 woman takes photographs of falling snow from a window during a heavy snowfall, amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, January 12, 2021. (Photo by Kim Hong-Ji/Reuters)

Artist Sayna Soleimanpour shaves her legs in a bathtub as she performs a photoshoot in protest against the mistreatment and alienation of Turkish women based on their clothing, during a two-day curfew amid the spread of the coronavirus disease (COVID-19), on a street leading to the historical Galata Tower in Istanbul, Turkey, late December 25, 2020. (Photo by Umit Bektas/Reuters)

A frontline worker reacts as she receives a dose of AstraZeneca's COVISHIELD vaccine, produced by the Serum Institute of India, during the coronavirus disease (COVID-19) vaccination campaign at a medical centre in New Delhi, India, February 24, 2021. (Photo by Anushree Fadnavis/Reuters)

A bus in New York City which careened off a road in the Bronx neighborhood of New York is left dangling from an overpass Friday, January 15, 2021, after a crash late Thursday that left the driver in serious condition, police said. (Photo by Craig Ruttle/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)

A man gives a dollar note to a performer during spring break festivities, amid the coronavirus disease (COVID-19) outbreak in Miami Beach, Florida, U.S., March 6, 2021. (Photo by Marco Bello/Reuters)

A man wearing a protective face mask takes a photo near an art exhibition at a shopping mall, amid the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia, March 15, 2021. (Photo by Ajeng Dinar Ulfiana/Reuters)