An climber gets ready to ascends the Kadzielnia hill covered in ice near Kielce, Poland. REUTERS/Pawel Malecki/Agencja Gazeta
Migrants throw snowballs during a snowfall outside a derelict customs warehouse in Belgrade, Serbia. REUTERS/Marko Djurica
A woman walks on a street during a heavy snowfall in Sofia, Bulgaria. REUTERS/Stoyan Nenov
People enjoy a ride on their sledge on Feldberg mountain near Frankfurt, Germany. REUTERS/Kai Pfaffenbach
Kids build snowmen near the Messeturm in Frankfurt, Germany. REUTERS/Kai Pfaffenbach
A child shovels snow to make a small hockey rink on the frozen Trout Lake during a spell of cold weather in Vancouver, British Columbia, Canada. REUTERS/Chris Helgren
People make their way during heavy snowfall at the seaside promenade of the northern port city of Thessaloniki, Greece. REUTERS/Alexandros Avramidis
A woman crosses the street as exhaust gasses are lit by early sunshine in Bucharest, Romania. Inquam Photos/Octav Ganea/via REUTERS
A stranded refugee boy rides his bicycle through a snowstorm at a refugee camp north of Athens. REUTERS/Yannis Behrakis
Rowers practise at Main river in Frankfurt, Germany. REUTERS/Kai Pfaffenbach
Joggers run along the Charles River past the Boston skyline on a sunny winter's day in Cambridge, Massachusetts. REUTERS/Brian Snyder
People walk along ice covered pier in Sopot, Poland. REUTERS/Adam Stepien/Agencja Gazeta
A woman is seen through a partially frosted tram window as temperatures fall to 5 degrees Fahrenheit (minus 15 degrees Celsius) in Sofia, Bulgaria. REUTERS/Stoyan Nenov
A surfer catches a wave on a freezing water of the Eisbach in Munich's famous English garden, Germany. REUTERS/Michael Dalder
A man shovels snow off from a roof at around minus 15 degrees Fahrenheit (minus 26 degrees Celsius) in the village of Jezerc, Kosovo. REUTERS/Hazir Reka
People pull their sledges after heavy snowfall in Berlin, Germany. REUTERS/Hannibal Hanschke
People take a selfie in Times Square on a snowy day in New York City. REUTERS/Alex Wroblewski
A man takes a dip in icy waters as the temperature dropped to around minus 15 degrees Fahrenheit (minus 26 degrees Celsius) in Minsk, Belarus. REUTERS/Vasily Fedosenko
Young men and women turning 20 years old celebrate their Coming of Age Day in Tokyo.
Highlights from the Consumer Electronics Show in Las Vegas.
Participants write down their resolutions and hopes using a traditional horse-hair brush and ink made of charcoal at a New Year calligraphy contest in Tokyo.
Tokyo's Tsukiji market holds the first tuna auction of the year, believed to bring good luck for the New Year.