A participant races in the Brompton World Championship in Bern, Switzerland October 21, 2018. (Photo by Stefan Wermuth/Reuters)

Birds sit on the back of a zebra in the Nairobi National Park, near Nairobi, Kenya, November 21, 2018. (Photo by Baz Ratner/Reuters)

A man arranges a display of cacti during preparations for the RHS Chelsea Flower Show in London, Britain May 21, 2016. (Photo by Neil Hall/Reuters)

Iraqi forces gather during an operation to attack Islamic State militants in Mosul, Iraq, October 21, 2016. (Photo by Reuters/Stringer)

Women wear traditional Hanbok dresses as they walk past fallen autumn leaves in Seoul on November 21, 2022. (Photo by Anthony Wallace/AFP Photo)

An ambulance with emergency lights on makes its way through snowfall in Iowa, US on December 21, 2022. (Photo by Joseph Cress/AP Photo)

A runner in fancy dress participates in the Virgin London Marathon 2013 on April 21, 2013 in London, England. (Photo by Tom Dulat/Getty Images)

The oldest car to wear the Porsche badge goes on view at Sotheby's on May 21, 2019 in London, England. The only surviving 1939 Porsche Type 64 Berlin-Rome, No. 3, this rare piece of motoring history was the personal car of Ferdinand and Ferry Porsche, predating the first production Porsche, the 356. The car is on view at Sotheby's in London from 21st -24th May prior to being offered for sale by RM Sotheby's in Monterey, California, 15-17th August 2019, with an estimate in excess of $20 million. (Photo by Tristan Fewings/Getty Images for Sotheby's)