A 13-month-old chimp named Fumo carries a “Christmas present” of food treats in wrapping paper under his arm during a Christmas-themed feeding time at Sydney's Taronga Park Zoo, December 9, 2014. Fumo, meaning “chief” or “spear” in Swahili, is one of the latest additions to the zoo's successful primate breeding program. (Photo by Jason Reed/Reuters)

A visiitor bungee jumps during an outdoor festival to celebrate German Unity Day on the 21st anniversary of German reunification on October 3, 2011 in Berlin, Germany. German Unity Day is a national holiday and marks the day West Germany and East Germany were reunited in 1990 following the collapse of the Iron Curtain. (Photo by Adam Berry/Getty Images)

Children feeding the birds in this Victorian Christmas greetings card. (Photo by Hulton Archive/Getty Images). Circa 1885

Rosanna Davison attends the “Lambertz Monday Night” at Alter Wartesaal on February 1, 2012 in Cologne, Germany. (Photo by Andreas Rentz/Getty Images)

Visitors watch ice-cold artworks, depicting Marilyn Monroe, at an ice and snow sculpture exhibition made by 35 international artists, who worked 4 months at minus eight degrees Celsius in Oberhausen, Germany, on the 1st of Advent, Sunday, December 1, 2024. (Photo by Martin Meissner/AP Photo)

In this photo taken with a long exposure, a person walks a dog past Christmas lights in a park, Sunday, December 15, 2024, in Lenexa, Kan. (Photo by USA Today)

An Icelandic mare and her foal stand on a meadow at a stud farm in Wehrheim near Frankfurt, Germany, Tuesday, June 17, 2025. (Photo by Michael Probst/AP Photo)