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)

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)

A man and his son ride a horse at Tahrir Square in Sanaa, Yemen on January 21, 2021. (Photo by Khaled Abdullah/Reuters)

Visitors wear masks as they catch some shade under the Oscar Mayer Wienermobile amid 50 acres of Ranunculus flowers at “The Flower Fields” in Carlsbad, California, U.S., March 31, 2021. (Photo by Mike Blake/Reuters)

Bangladeshi day labourers carry baskets of coal from a cargo ship in Gabtoli, Dhaka on January 2, 2022. They are earning around $1 every 30 baskets of coal unloaded from the ship. (Photo by Piyas Biswas/SOPA Images/Rex Features/Shutterstock)

A young woman holds a weapon during a basic combat training for civilians, organized by the Special Forces Unit Azov, of Ukraine's National Guard, in Mariupol, Donetsk region, eastern Ukraine, Sunday, February 13, 2022. The United States is evacuating almost all of the staff from its embassy in Kyiv as Western intelligence officials warn that a Russian invasion of Ukraine is increasingly imminent. (Photo by Vadim Ghirda/AP Photo)

A Pataxo woman listens to her cell phone as she waits for the start of the Indigenous people's meeting with Brazil's former President Luiz Inacio Lula da Silva, as part of the 18th annual Free Land Indigenous Camp, in Brasilia, Brazil, Tuesday, April 12, 2022. (Photo by Eraldo Peres/AP Photo)

A view of an installation part of “We Walked the Earth” by artist Uffe Isolotto at Denmark's pavilion during the 59th Biennale of Arts exhibition in Venice, Italy, Tuesday, April 19, 2022. (Photo by Antonio Calanni/AP Photo)