A cat sits on the empty Great Wall on February 23, 2021 in Beijing, China. Affected by the new coronavirus (COVID-19), the number of visitors to Mutianyu Great Wall in 2020 dropped by about 60%. (Photo by Lintao Zhang/Getty Images)

Sina prepares for the reopening of the latex fashion shop Savage Wear as the coronavirus disease (COVID-19) lockdown measures are eased in Berlin, Germany, March 9, 2021. (Photo by Hannibal Hanschke/Reuters)

A man looks at a figure outside a store as he walks along a street in Beijing on March 2, 2021. (Photo by Wang Zhao/AFP Photo)

A woman wearing a protective mask walks outside a village that was placed under lockdown due to the number of COVID-19 cases among residents in Manila, Philippines on Thursday, March 11, 2021. The Philippine capital placed two villages and two hotels on lockdown Thursday and police have renewed warnings against kissing and other “public display of affection” after a new surge in coronavirus infections. (Photo by Aaron Favila/AP Photo)

Police spraying protesters with pepper spray inside Central Station after a Black Lives Matter rally in Sydney, Australia, 06 June 2020, a protest against the deaths of Aboriginal people in custody and solidarity with the US protests for George Floyd. (Photo by James Gourley/EPA/EFE)

A man treats a woman affected by pepper spray as Washington Metropolitan Police officers clash with demonstrators trying to pull down the statue of U.S. President Andrew Jackson in the middle of Lafayette Park in front of the White House during racial inequality protests in Washington, D.C., U.S., June 22, 2020. Dozens of law enforcement officers, led by U.S. Park Police, stormed into the square, swinging batons and firing chemical agents to scatter protesters. By dark, police had taken control and outnumbered demonstrators in the immediate area. (Photo by Tom Brenner/Reuters)

Women wearing protective masks talk to each other on a street, amid the coronavirus disease (COVID-19) outbreak in Kuala Lumpur, Malaysia on December 17, 2020. (Photo by Lim Huey Teng/Reuters)

A Filipino Catholic performing self-flagellation lies on the ground with his bloodied back outside a church on Good Friday, defying a government ban on religious gatherings amid rising coronavirus disease (COVID-19) cases, in Manila, Philippines, April 2, 2021. (Photo by Eloisa Lopez/Reuters)