People cool off in Crown Fountain in Millennium Park on August 12, 2021 in Chicago, Illinois. As temperatures climb across the nation, nearly 200 million Americans are under some level of heat advisory. (Photo by Scott Olson/Getty Images)

Mary Pickford takes a picture of husband Douglas Fairbanks, Sr., who is executing a handstand on the roof of a building on December 19, 1920. (Photo by Bettmann Archive/Getty Images)

A butcher blows into the skin of a cow's leg in order to peel it off, on the first market day since the earthquake in Camp Perrin, Haiti, Friday, August 20, 2021, six days after a 7.2 magnitude quake. (Photo by Fernando Llano/AP Photo)

A fruit vendor pushes his cart through a flooded street after a heavy rainfall in Lahore on September 21, 2021. (Photo by Arif Ali/AFP Photo)

Zombie Punk stands for a photo during the International tattoo convention at Tobacco Dock in east London, Friday, September 27, 2019. (Photo by Aaron Chown/PA Wire Press Association via AP Photo)

Ukrainian serviceman fires with a heavy machine gun during a combat with Russia-backed separatists on the front line near Gorlivka, Donetsk Region on September 28, 2019. (Photo by Anatolii Stepanov/AFP Photo)

In this Sunday, September 23, 2012 file photo, masked and armed Somali pirate Hassan stands near a Taiwanese fishing vessel washed ashore after the pirates were paid a ransom and the crew were released in the once-bustling pirate den of Hobyo, Somalia. Pirates have hijacked an oil tanker off the coast of Somalia, Somali officials and piracy experts said Tuesday, March 14, 2017, in the first hijacking of a large commercial vessel there since 2012. (Photo by Farah Abdi Warsameh/AP Photo)

A gray heron (Ardea cinerea) that fished a common carp (Cyprinus carpio) in Geneva, Switzerland, 21 April 2019. (Photo by Martial Trezzini/EPA/EFE/Rex Features/Shutterstock)