A polar bear plays with a pylon during celebrations marking its first birthday in an enclosure at Tierpark Hellabrunn zoo in Munich December 9, 2014. (Photo by Michaela Rehle/Reuters)

A masked reveller poses along the flooded St. Mark's Square during a period of seasonal high water and on the first day of carnival, in Venice February 1, 2015. (Photo by Stefano Rellandini/Reuters)

Masked revellers pose in St. Mark's Square during the Venice Carnival, February 7, 2015. The Venetian carnival started on January 31 and runs until February 17, forty days before Easter celebrations. (Photo by Stefano Rellandini/Reuters)

A member of a winter swimming club wears flippers during the celebration of Maslenitsa, also known as Pancake Week, a pagan holiday, marking the end of the winter, in Novosibirsk, Russia. (Photo by Alexandr Kryazhev/Sputnik/Profimedia)

Children play after offering Eid al-Fitr prayers at Jama Masjid to mark the end of the holy fasting month of Ramadan, in the old quarters of Delhi, India on May 3, 2022. (Photo by Anushree Fadnavis/Reuters)

A demonstrator gestures as she talks with a Lebanese army member during a protest as Lebanon marks the two-year anniversary of the August 2020 Beirut port explosion, in Beirut, Lebanon on August 4, 2022. (Photo by Mohamed Azakir/Reuters)

A boy watches fireworks from a military range weapon, marking the Defender of the Fatherland Day celebrations, at the Artillery Museum in St. Petersburg, Russia, Thursday, February 23, 2023. (Photo by Dmitri Lovetsky/AP Photo)

People take part in the celebrations of Victory Day, which marks the 78th anniversary of the victory over Nazi Germany in World War Two, in Vladivostok, Russia on May 9, 2023. (Photo by Tatiana Meel/Reuters)