A protestor is detained following the grand jury verdict on September 23, 2020 in Louisville, Kentucky. Protesters marched in the streets after a Kentucky grand jury indicts one of the three officers involved in the killing of Breonna Taylor, who was fatally shot by Louisville Metro Police officers during a no-knock warrant at her apartment on March 13, 2020 in Louisville, Kentucky. (Photo by Brandon Bell/Getty Images)

A student wearing a face mask prays before the start of the annual college entrance examination amid the coronavirus pandemic at an exam hall in Seoul, South Korea, Thursday, December 3, 2020. South Korean officials are urging people to remain at home if possible and cancel gatherings as about half a million students prepare for a crucial national college exam. (Photo by Kim Hong-Ji/Pool Photo via AP Photo)

A medical worker in protective gear sprays mist on her colleague during a hot day at an outdoor clinic for coronavirus tests at a public health facility in the southwestern city of Gwangju, South Korea, 05 June 2020. (Photo by Yonhap/EPA/EFE)

Silhouetted against the warm sunset skyline and the illuminated Tokyo Tower, visitors are reflected on the glass walls of a rooftop observation deck Thursday, January 21, 2021, in Tokyo. (Photo by Kiichiro Sato/AP Photo)

A woman walks up a stairway painted in the rainbow colors in Bucharest, Romania, Saturday, July 11, 2020. Romania reported 698 new COVID-19 infections in the last 24 hours, the highest level since the pandemic reached the country in February. (Photo by Vadim Ghirda/AP Photo)

A protester reacts as riot police and army soldiers scuffle with anti-government protesters outside a military court, in Beirut, Lebanon, Monday, February 8, 2021. Riot police briefly clashed Monday in Beirut with hundreds of protesters demanding the release of anti-government activists detained following riots in northern Lebanon late last month. (Photo by Hassan Ammar/AP Photo)

Elsa, Dolly, Jeanie, Vince, Titch and Bailey savour seaside smells at Reculver Towers and Roman Fort, Kent, United Kingdom on February 23, 2021. The southeast of England will be warm again. (Photo by Liz Gregg/Triangle News)

Japanese macaques, also known as snow monkeys, play as they soak in a hot spring in Jigokudani valley in Nagano Prefecture, northwest of Tokyo Saturday, March 6, 2021. (Photo by Kiichiro Sato/AP Photo)