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In an exclusive, unique arrangement for CNN, the Songs for Ukraine Chorus - made up of Ukrainian singers impacted by the war, including those who fled in 2021 - and the Royal Opera Chorus perform a brand new setting of the traditional 'Auld Lang Syne.'

North Korea says it will launch three additional spy satellites in 2024. CNN'S Marc Stewart looks at what it could mean for the country's missile program, which has been banned by the UN Security Council.

The space race was on again in 2023, with nations around the world competing to get to the moon. Kristin Fisher reports on the attempts to reach the lunar surface.

Russia called for an emergency meeting of the U.N. Security Council to censure Ukraine after an attack on Russian soil. Barbie Nadeau reports on what was said at that meeting.

A U.N. report describes what it calls a "rapid deterioration" of human rights in the occupied West Bank. Israel calls the report "ridiculous." Michael Holmes speaks with Sawsan Zahr, a human rights lawyer and activist based in Haifa, Israel.

Attacks and counter-attacks between Russia and Ukraine have been ongoing. Ukraine says Russia hit several apartment buildings in Kharkiv, and Russia says at least 21 people were killed by a Ukrainian strike in Belgorod. Nic Robertson reports from London.

Each year, the Sydney Opera House is the focus of the city's iconic harbor fireworks display. CNN's Angus Watson gets a sneak peek at the prep-work for the display, meeting the experts as they rig the famous sails with pyrotechnics.

Travelers in London and Paris have been left "devastated" and "gutted" after flooding forced train operator Eurostar to cancel service from London on Saturday. CNN's Michael Holmes reports.

Israel says its war with Hamas will go on for months. But Palestinians displaced by the fighting - which is most of Gaza's population - are living in misery in tent cities where food is scarce and disease is spreading. CNN's Elliott Gotkine reports.

Following in his father's footsteps to become Hong Kong's top fireworks master, pyrotechnics engineer Wilson Mao has designed and staged every major fireworks display in the city since 1997. Mao takes CNN's Kristie Lu Stout into his studio and onto the fireworks barge to see how the centuries-old art form has evolved, and what to expect when Hong Kong lights up for 2024.

This year saw deadly heat waves, floods and wildfires. Bill Weir takes a look at the biggest climate stories of 2023.

GOP presidential candidates Ron DeSantis and Chris Christie took the opportunity to weigh in on Nikki Haley's recent comments after a voter in New Hampshire called her out for not mentioning slavery as a cause of the Civil War.

CNN's Zachary Cohen and defense attorney Shan Wu break down special counsel Jack Smith's pushback on former President Trump's immunity claim in the federal election subversion case.

Richard Quest looks at this year's PNC Bank Christmas Price Index, which measures the cumulative cost of "The Twelve Days of Christmas."

CNN's Richard Quest joins the founder of the food blog "Half Baked Harvest" in the kitchen to make holiday baked brie.

Simon Cullen reports on the record heat across the globe this year, and glimmers of hope that might have gone mostly unnoticed.

Fine dining is known for being an indulgent and exclusive industry. Now a new generation of chefs want their eateries to be eco-friendly too. Anna Stewart visits London's "zero-waste" restaurant, where sustainability is the signature dish and where nothing goes to waste.

In the lead up to Anderson Cooper and Andy Cohen's seventh New Year's Eve special together, CNN's Harry Enten asked some of New York's finest comedians questions about the co-hosts.

Russia says at least 14 people, including two children, were killed in Ukrainian shelling on the Russian city of Belgorod. CNN military analyst and retired US Air Force Col. Cedric Leighton discusses.

The UN has expressed alarm after more than 100,000 people arrived in Rafah in recent days, now the most densely populated part of Gaza. CNN's Nada Bashir has more on what conditions are like inside the enclave.