News in Pics, December 18: Best photos from around the world

Nurse Mary Catherine Klee holds a dose of the Pzifer Covid-19 vaccine before administering it to an employee of the Pittsburgh VA Medical Center in Pittsburgh, Pennsylvania. Credit: AFP

People walk around as street vendors interact with clients amid the Covid-19 pandemic, on a street in Medellin, Colombia. Credit: AFP

A parent waits outside the Government Science Secondary school in Kankara, in northwestern Katsina State, Nigeria. Credit: AFP

People enjoy an afternoon of sledding at Central Park in Manhattan in New York City. Credit: AFP

People play table tennis at a park in Beijing. Credit: AFP

A baker produces biscuits featuring Santa Claus wearing a face protection mask at Schuerener Backparadies bakery in Dortmund, western Germany, during the partial lockdown to curb the spread of the ongoing novel coronavirus pandemic. Credit: AFP

A traditional wooden tourist junk boat 'Dukling' sails in the waters of Victoria Harbour in Hong Kong, which was built in 1955 in neighbouring Macau and is the city's only authentic junk left -- with the other remaining vessels being modern replicas. Credit: AFP