A volunteer dressed as Saint Nicholas prepare to distribute Christmas gifts to soldiers in Kostiantynivka, Donetsk region, Ukraine, Sunday, December 25, 2022. (Photo by Libkos/AP Photo)





A Ukrainian soldier delivers water on December 26, 2022 in Bakhmut, Ukraine. A large swath of Donetsk region has been held by Russian-backed separatists since 2014. Russia has tried to expand its control here since the February 24 invasion. (Photo by Pierre Crom/Getty Images)





Ukrainian soldiers fire a French-made CAESAR self-propelled howitzer towards Russian positions near Avdiivka, Donetsk region, Ukraine, Monday, December 26, 2022. (Photo by Libkos/AP Photo)





A Ukrainian soldier prepares to fire a French-made CAESAR self-propelled howitzer towards Russian positions near Avdiivka, Donetsk region, Ukraine, Monday, December 26, 2022. (Photo by Libkos/AP Photo)





A Ukrainian BM-21 Grad multiple rocket launcher fires a rocket, as Russia's attack on Ukraine continues, during intense shelling on Christmas Day at the frontline in Bakhmut, Ukraine on December 25, 2022. (Photo by Clodagh Kilcoyne/Reuters)





Ukrainian servicemen with the Dnipro-1 Special Tasks Patrol Police regiment Raphael Karapitian, 45, walks with weapons beside a decorated Christmas tree in the trenches on the front line, as Russia's attack on Ukraine continues, on Christmas Eve in Bakhmut, Ukraine on December 24, 2022. (Photo by Clodagh Kilcoyne/Reuters)





Caesar, 50-year-old, a Russian who joined the Freedom of Russia Legion to fight on the side of Ukraine, stands in front of a destroyed monastery in Dolyna, eastern Ukraine on December 26, 2022. Freedom of Russia Legion is a Foreign volunteer legion formed in March 2022 with defectors from the Russian Armed Forces, Russian and Belarusian volunteers. (Photo by Sameer Al-Doumy/AFP Photo)





Ukrainian servicemen from 127 brigade prepare a telescopic tower with a remote camera installed on a Soviet car “Volga” that was recast to observe and correct fire on the front line near Kharkiv, Ukraine, Sunday, December 25, 2022. (Photo by Evgeniy Maloletka/AP Photo)





Ukrainian servicemen pose for a photo during the shoot towards Russian forces of self-propelled artillery at a frontline in Kharkiv region, Ukraine, Saturday, December 24, 2022. (Photo by Evgeniy Maloletka/AP Photo)





Relatives react at a coffin with the body of Volodymyr Yezhov, Ukrainian serviceman killed with the fighting against Russian troops in town of Bakhmut, during service and funeral ceremony at Volodymyr cathedral in Kyiv on December 27, 2022. (Photo by Sergei Supinsky/AFP Photo)





Ukrainian territorial defense member Leonid Onyshchenko, 63-year-old, speaks to his family during a festive Christmas dinner, as Russia's attack on Ukraine continues, in Kostiantynivka, Ukraine on December 24, 2022. (Photo by Clodagh Kilcoyne/Reuters)





A Ukrainian soldier with the Karpatska Sich Battalion in a church that was destroyed by shelling and looted by the Russian military during their occupation of Lyman, in the Donetsk region of eastern Ukraine, on Christmas Day, Sunday, December 25, 2022. (Photo by Tyler Hicks/The New York Times)





Acclaimed Ukrainian singer Kolia Cerga performs for Ukrainian soldiers of the 59th brigade near the frontline on December 25, 2022 in Donetsk, Ukraine. Ukrainians celebrate Catholic Christmas on December 25 as the Orthodox Christmas on January 7 is considered a Russian tradition. (Photo by Pierre Crom/Getty Images)





Local residents, dressed in traditional costumes, sing Christmas carols inside a metro station in Kyiv on December 25, 2022, amid the Russian invasion of Ukraine. (Photo by Sergei Chuzavkov/AFP Photo)





Violet, a maltichon, in fancy dress on the slipway in Clontarf looks on as the Clontarf Yacht & Boat Club annual Christmas swim in aid of the RNLI takes place on Sunday, December 25, 2022. (Photo by Brian Lawless/PA Images via Getty Images)





Shoppers queue up outside Selfridges retail store on Oxford Street in London, Britain, 26 December 2022. UK retailers are expecting a fall in retail sales due to the cost of living crisis that is impacting millions of households across Britain. (Photo by Andy Rain/EPA/EFE)





A man dressed as Santa Claus, along with other volunteers participates in a Christmas celebration for migrant children, who, along with their parents are in a shelter, while they wait to apply for asylum in the U.S., after the Supreme Court said Title 42 should stand as is for now, in Ciudad Juarez, Mexico December 25, 2022. (Photo by Jose Luis Gonzalez/Reuters)





A street artist performs in front of the Christmas tree at Syntagma Square during Christmas festivities in Athens, Greece on December 25, 2022. (Photo by Costas Baltas/Reuters)





Participants in fancy dress costumes take to the freezing sea on December 26, 2022 in Cromer, United Kingdom. The North Norfolk Beach Runners are holding the Boxing Day Dip for the first time for three years after the annual event was cancelled for two years due to Covid. Money raised from the gathering this year is going to be donated to Sarcoma UK. (Photo by Martin Pope/Getty Images)





Dancers perform at the Salsodromo during the start of the Cali Fair, in Cali, Colombia, 25 December 2022. With the participation of more than 2,000 dancers from almost fifty salsa schools, the Salsodromo kicked off the 65th edition of the Cali Fair on 25 December, which fills the fills the Colombian “Branch of heaven” with color and music between 25 and 30 December. (Photo by Ernesto Guzmán Jr./EPA/EFE/Rex Features/Shutterstock)





Participants dressed as “Santa Claus” take part in the annual Christmas city race in Skopje, North Macedonia, on December 25, 2022. (Photo by Robert Atanasovski/AFP Photo)





Two dressed-up dogs are pictured ahead of the arrival of members of Britain's Royal Family for their traditional Christmas Day service at St Mary Magdalene Church in Sandringham, Norfolk, eastern England, on December 25, 2022. (Photo by Daniel Leal/AFP Photo)





Revellers in various fancy dress have hit the streets of Wigan, UK on Boxing Day, December 26, 2022 evening in the annual infamous event that is open to any ideas with no theme. Partygoers dressed in hilarious outfits hit King Street and Wallgate which houses many nightclubs and bars. Greater Manchester Police watched on as the mayhem ensued. (Photo by Ben Formby/Alamy Live News)





This photograph shows hundreds of drones, depicting cartoon, guided by expert aeronautical engineers, to celebrate Cartoon Network's 30th anniversary show, flew from the Terrazza del Pincio on Piazza del Popolo in central Rome, on December 27, 2022. (Photo by Andreas Solaro/AFP Photo)





Members of the O’Neill and Gallagher families from Sydney, Australia take to the water at the 40 Foot for a Christmas Day Swim in Ireland on December 25, 2022. (Photo by Alan Betson/The Irish Times)