A woman looks on December 10, 2020 at a metal monolith that has popped up on a riverbank of the Vistula in the Polish capital Warsaw, the latest in a string of similar objects that have recently appeared in Europe and the US. Similar-looking objects were found in the United States, Romania and Britain. (Photo by Wojtek Radwanski/AFP Photo)

Grade 5 student Lovely Joy De Castro, 11, takes notes while attending an online class using a smartphone, as schools remain closed during the Coronavirus disease (COVID-19) outbreak, at Manila South Cemetery where she lives with her family in Makati City, Philippines, November 6, 2020. (Photo by Eloisa Lopez/Reuters)

A classic American car is wrapped in plastic to prevent sea salt from corroding it in Havana, Cuba, Tuesday, March 2, 2021. Vintage cars in Cuba are part of daily life with most classic cars being used as taxis and to transport tourists. (Photo by Ramon Espinosa/AP Photo)

Tournament officials use golf carts to coax an alligator off of the 17th fairway and back into the water during the third round of the PGA Zurich Classic golf tournament at TPC Louisiana in Avondale, La., Saturday, April 24, 2021. (Photo by Gerald Herbert/AP Photo)

Members of the Moroccan Royal Armed Forces Rescue and Relief Unit take part in a biochemical simulation organized by the US Defense Threat Reduction Agency (DTRA) as part of the “African Lion” military exercise, in the port of Agadir, on June 15, 2021. (Photo by Fadel Senna/AFP Photo)

“People of the River”. This is a Karo tribe family; father, mother, two sisters and two brothers. The tribe, who live along the Omo River in east Africa, incorporate rich symbolism into their rituals by using ornate body art, headdresses and body scarification to express beauty and significance. (Photo by Jatenipat Ketpradit/International Portrait Photographer of the Year)

Performers entertain passengers at London Heathrow Airport's T3 on Monday, November 8, 2021, as the US reopens its borders to UK visitors in a significant boost to the travel sector. Thousands of travellers are jetting off on transatlantic flights for long-awaited reunions with family and friends. (Photo by Steve Parsons/PA Images via Getty Images)

A Civil Protection employee dressed as death participates in the campaign “Beware of Monoxide, the Silent Killer”, which seeks to prevent deaths from poisoning with carbon monoxide through the use of heaters to mitigate low temperatures, on an avenue in Ciudad Juarez, Mexico on February 2, 2022. (Photo by Jose Luis Gonzalez/Reuters)