Alex Plunkett, left, and Sean Hart, both of Arlington, Va., join hundreds participating in the annual International Pillow Fight Day on April 5. Massive pillow fights broke out on the Mall in Washington and in cities around the world. (Photo by Marvin Joseph/The Washington Post)

Kumbuka, a male silverback gorilla sits next to the keeper's chalk board in his enclosure at London Zoo, Thursday, January 2, 2014. Home to more than 850 different species, zoo keepers welcomed in the New Year armed with clipboards as they made a note of every single animal. The compulsory annual count is required as part of ZSL London Zoo's zoo license, and every creature, from the tiny leaf cutter ants to the huge silverback gorilla is duly noted and accounted for. (Photo by Kirsty Wigglesworth/AP Photo)

A man falls from a horse at a rodeo exhibition during Tradition Day, aimed to preserve gaucho traditions, in San Antonio de Areco, Argentina, Sunday, November 13, 2022. Tradition Day is celebrated to honor the birth of Argentine writer Jose Hernandez, author of the country's national poem “The Gaucho Martin Fierro”. (Photo by Natacha Pisarenko/AP Photo)

Visitors were able to pick their own flowers on this sunflower trail at Gloagburn Farm near Perth, in Scotland on September 13, 2021. Crawford Niven, a farmer, said he was inspired to make the trail, which is made up of nearly 200,000 plants, after seeing similar ones in America and Australia. (Photo by South West News Service)

A New Orleans Saints fan parties in the stands in the first half of an NFL preseason football game against the Jacksonville Jaguars in New Orleans, Monday, August 23, 2021. Last season the team played with a marginal number of fans in a largely empty Superdome due to the coronavirus pandemic, but this year fans are allowed with proof of vaccination. (Photo by Derick Hingle/AP Photo)

Nico Martin with a Mini Electric wrapped in thousands of Christmas fairy lights, at Greenfield Farm in Christmas Common, Oxfordshire on November 9, 2021. Nico, from Bracknell in Berkshire, has wrapped his own Mini in lights for the last two years, raising money for the MS Trust and for Duchenne UK. This year Mini are supporting Nico, providing him with a Mini Electric wrapped in thousands of Christmas lights ready for him to take out on the road. (Photo by Jacob King/PA Images via Getty Images)

Ice swimmer Klaudia prepares to swim in a filled up water kettle in an ice cave inside the Nature Ice Palace, with a hight of 3,250 meters (10,663 feet) above sea level, at Hintertux Glacier near Hintertux, some 480 kilometers (298 miles) western of Vienna, Austria, 28 July 2018. (Photo by Christian Bruna/EPA/EFE)

A detailed view of the BMW 1600 during the The 40th Antwerp Classic Salon run by SIHA Salons Automobiles and held at Antwerp EXPO Halls on March 3, 2017 in Antwerpen, Belgium. (Photo by Dean Mouhtaropoulos/Getty Images)