Leo, an orphaned Sumatran orangutan, is taken to the Sumatran Orangutan Conservation Programme rehabilitation centre. Leo will join other orangutans who have been reintroduced to the Pinus Jantho nature reserve. The SOCP has gradually formed a completely new wild population of species that have been threatened with extinction. (Photo by Sutanta Aditya/Barcroft Images)

Advanced Space Suit Engineer at NASA Kristine Davis wears the xEMU prototype space suit for the next astronaut to the moon by 2024, during its presentation at NASA headquarters in Washington, U.S., October 15, 2019. (Photo by Carlos Jasso/Reuters)

Young children at a Bristol, Great Britain health centre unsure of the benefits of sun-lamps and the special glasses that must be worn, July 1948. The health centre was part of the newly introduced free National Health Service. (Photo by Popperfoto/Getty Images)

Mexico City resident Romina Montoya takes a playful selfie wearing a protective face mask over her eyes and nose, in Playa del Carmen, Quintana Roo state, Mexico, Wednesday, January 6, 2021. Concern is spreading that the critical winter holiday tourism success could be fleeting because it came as COVID-19 infections in both Mexico and the United States were reaching new heights. (Photo by Emilio Espejel/AP Photo)

A placard featuring an image of Russian President Vladimir Putin and reading “We are with him for the sovereignty of Russia! And you?” is seen left in front of the Russian State Duma building in central Moscow on February 24, 2022. (Photo by Kirill Kudryavtsev/AFP Photo)

Models use their phone lights during a power outage to put on make-up before the start of the third Ouaga Fashion Week in Ouagadougou, Burkina Faso, Friday May 13, 2022. Ouaga Fashion Week returned to the Burkinabe capital after a two year COVID-19 related break. (Photo by Sophie Garcia/AP Photo)

A person looks out at Midtown Manhattan in the haze from the Top of the Rock NYC Observation Deck at Rockefeller Center on June 7, 2023. Smoke from Canada’s wildfires has engulfed the Northeast and Mid-Atlantic regions of the US, raising concerns over the harms of persistent poor air quality. (Photo by Timothy A. Clary/AFP Photo)

A South American Coati licks a block of frozen fruits at Israel's Safari Zoo in Ramat Gan, north of the Mediterranean coastal city of Tel Aviv, as temperatures reach 35 degrees Celsius on July 13, 2023. (Photo by Jack Guez/AFP Photo)