The 34th Harbin International Ice and Snow Festival, in China's far northeastern Heilongjiang Province, has opened.
From New Year's Eve celebrations around the world, through winter storms in Britain, Europe and the US, to Epiphany in Spain.
Children as young as three spend their days sitting in soot and breathing in coal dust and toxic smoke to make charcoal out of wood scavenged from rubbish dumps.
The latest photos of the massive winter storm barrelling into the northeastern US, as a rapid plunge in barometric pressure causes bombogenesis or a "bomb cyclone".
The exhibition at Beetles+Huxley in London features Elliott Erwitt's quirky photos of dogs as well as portraits of Marilyn Monroe and Che Guevara.
The Immigrants, at New York's Howard Greenberg Gallery, features the work of more than 40 photographers from the 1860s to 2015, focusing on the immigrant experience.
After battering Britain and Ireland, Storm Eleanor slammed into western Europe, derailing trains, toppling trees and halting flights.
Extreme cold weather has caused parts of the Niagara Falls to freeze as a massive winter storm, followed by possible record-breaking cold, moves up the eastern US.
Flach's new book, Endangered, features over 180 images of remarkable animals such as the mandrill and the Yunnan snub-nosed monkey.
California has legalised the sale of recreational marijuana, and it's no surprise its retail outlets emulate California's most successful brand.
The bone-chillingly cold temperatures have frozen parts of Niagara Falls and caused a mile-long pile-up on Interstate 90 near Buffalo, New York.
Dronestagram, the first social network dedicated to aerial photography, has selected its top 20 aerial images from the thousands of stunning drone photos submitted in 2017.
Myanmar pledged that Rohingya Muslims who fled to Bangladesh by the hundreds of thousands would start their journey home later this month. However, few believe that will happen.
Across the northern hemisphere a few brave (or foolhardy) souls celebrated the festive season by diving into frozen lakes or paddling in frigid oceans.
The week's best news, sport, weather and animal photos, from Christmas preparations to the run-up to New Year's Day 2018.