South Korea's Amry Special Warfare Command (SWC) soldiers aim their machine guns in a frozen river during a winter exercise in Pyeongchang, South Korea, Thursday, January 8, 2015. About 200 SWC soldiers participated in this routine two-week winter drill. (Photo by Ahn Young-joon/AP Photo)

A grizzly bear eats a frozen fruits during a hot summer day at Rio de Janeiro's zoo January 13, 2015. According to a local climate institute, temperatures in Rio de Janeiro on Tuesday rose up to 34 degrees Celsius (93.2 degrees Fahrenheit). (Photo by Sergio Moraes/Reuters)

New York City policemen tangled with demonstrators at a subway station on the opening day of the New York World's Fair, April 22, 1964. Youths attempted to stall the train, which was headed from the city to the fairgrounds, as a form of protest on behalf of civil rights for blacks. (Photo by Charles Gorry/AP Photo)

A containment shelter for the damaged fourth reactor (L) and the New Safe Confinement (NSC) structure (R) at the Chernobyl Nuclear Power Plant are seen from Ukraine's abandoned town of Pripyat, Ukraine, April 22, 2016. (Photo by Gleb Garanich/Reuters)

An undated handout picture made available on 29 April 2016 by the Toronga Zoo shows a baby echidna making a remarkable recovery after being attacked by chickens in a family's backyard at the Taronga Zoo in Sydney, Australia. (Photo by EPA/Taronga Zoo)

Singapore's Wie Qi Katelin Heng competes in the individual all-around qualification round during the 39th FIG Rhythmic Gymnastics World Championships at the Arena Armeets in Sofia (Arena Armeec hall) on September 14, 2022. (Photo by Nikolay Doychinov/AFP Photo)

Yaroslava Mahuchikh, of Ukraine, competes in the women's high jump competition at the Wanda Diamond League Final 2025 athletics meeting in Zurich, Switzerland, Wednesday, August 27, 2025. (Photo by Til Buergy/Keystone via AP Photo)

Chinese female troops march during a military parade marking the 80th anniversary of victory over Japan and the end of World War II, in Beijing's Tiananmen Square on September 3, 2025. (Photo by Pedro Pardo/AFP Photo)