Serbian Prime Minister Ana Brnabic (left) receives a COVID-19 vaccine at the Institute of Virology, Vaccines, and Sera Torlak in Belgrade in a bid to boost public faith in vaccines as the country kicked off its immunization campaign on December 24. (AFP)
A Russian woman walks along a road during snowfall near the village of Lyubuchany some 45 kilometers outside of Moscow. (AFP/Yuri Kadobinov)
A man walks through an empty street festooned with seasonal decorations during heavy smog in Skopje, North Macedonia. (epa/EFE/Georgi Licovski)
Armenian law enforcement officers stand guard outside government offices in Yerevan during an opposition rally to demand the resignation of Prime Minister Nikol Pashinian. (Reuters/Vahram Baghdasaryan)
Pakistani children on a swing during Christmas celebrations in Karachi, Pakistan. (epa-EFE/Shahzaib Akber)
A fisherman waits for a bite on the banks of the Vardar River in Skopje, North Macedonia. (epa-EFE/Georgi Licovski)
Russian newlyweds kiss during their marriage ceremony in an ice cave at Zaryadye Park in downtown Moscow. (epa-EFE/Sergei Ilnitsky)
A man feeds seagulls on a beach in the Black Sea port of Yevpatoriya, Crimea, on December 25. (Reuters/Alexey Pavlishak)
Moldova's new president, Maia Sandu, kisses the national flag during her inauguration ceremony in Chisinau on December 24. (AFP/Bogdan Tudor)
A man wearing a protective face mask attends a Christmas Mass at Alexander Nevski cathedral in the Bulgarian capital, Sofia. (Reuters/Stoyan Nemov)
A Serbian medical worker takes a swab from a woman during a coronavirus test in Belgrade. (AP/Darko Vojanovic).
A Ukrainian serviceman plays the violin in a dugout on the front line with Russia-backed separatists in the Donetsk region. (AFP/Anatolii Stepanov)
Entertainers dressed in period clothing walk along the Spit of Vasilievsky Island during snowfall in central St. Petersburg. (Reuters/Anton Vaganov)
Christians pray at a church ahead of Christmas in Lahore, Pakistan. (epa-EFE/Rahat Dar)
A Russian woman walks past a church in Podolsk outside Moscow on December 22. (AFP/Yuri Kadobnov)
A toy bear with a protective mask is displayed at a Christmas fair in the center of the Ukrainian capital, Kyiv. (Reuters/Valentyn Ogirenko)
A Romanian child, wearing a mask for protection against the coronavirus, leans on the cross of a victim of the 1989 anti-communist revolution after a memorial religious service in Bucharest for those killed in the uprising. (AP/Vadim Ghirda)
A view of Russia's Federal Security Service headquarters in downtown Moscow on December 21. (AFP/Dimitar Dilkoff)
A street performer dressed as a bear collects donations from passersby in central Bucharest, Romania. (Reuters/Octav Ganea)
An injured man sits inside a damaged vehicle at the site of a bomb blast in Kabul, Afghanistan, on December 20. (Reuters/Mohammad Ismail)