People look at a funnel cloud formed near the beach in Barcelona, Spain, Monday, September 21, 2020. (Photo by Emilio Morenatti/AP Photo)

Starlings gather on power lines at dusk, Friday, October 21, 2022, in Overland Park, Kan. (Photo by Charlie Riedel/AP Photo)

A person dressed as a zombie walks during the annual Zombie Walk in Mexico City, Mexico on October 21, 2023. (Photo by Quetzalli Nicte-Ha/Reuters)

A girl competes in a hobby horsing competition in St. Petersburg, Russia, April 21, 2024. (Photo by Dmitri Lovetsky/AP Photo)

A woman reacts with Samoyed puppies as she performs yoga on International Yoga Day, in Bangkok, Thailand, on June 21, 2025. (Photo by Chalinee Thirasupa/Reuters)

A passenger takes off his pants as others not wearing pants dance while waiting for a subway train during the “No Pants Subway Ride” in Mexico City, Mexico, February 21, 2016. The event is an annual flash mob and occurs in different cities around the world, according to its organisers. (Photo by Carlos Jasso/Reuters)

Young women flash the victory sign in front of a bonfire as Turkish Kurds gather during Newroz celebrations for the new year in Diyarbakir, southeastern Turkey, on March 21, 2017. Newroz (also known as Nawroz or Nowruz) is an ancient Persian festival, which is also celebrated by Kurdish people, marking the first day of spring, which falls on March 21. (Photo by Ilyas Akengin/AFP Photo)