A photo taken on January 1, 2017 shows a sculpture frozen over in the Fontaine des Mers fountain on the Place de la Concorde in Paris. #

People play in the snow at Taksim square during snowfall in Istanbul on January 7, 2017. #

A snowman sits across from lower Manhattan and One World Trade Center in New York City on January 8, 2017, as people stand in a park in Jersey City, New Jersey. #

A woman skates on the frozen lake of Orlangen, south of Stockholm in Sweden, on December 23, 2016. #

A newly married couple walk in Sultanahmet square during a snowfall in Istanbul on January 8, 2017. #

Frozen apple tree leaves are pictured on a cold and foggy day in Gaiberg near Heidelberg, Germany, on December 31, 2016. #

A person walks by the snow-covered temple of Apollon in Ancient Corinth, Greece, on January 8, 2017. #

People walk through Times Square during a snow storm on January 7, 2017, in New York City. #

A child sleds through a street in Istanbul on January 7, 2017, after a heavy snowstorm. #

Migrants warm themselves by the fire inside a derelict customs warehouse on January 8, 2017, in Belgrade, Serbia. Temperatures dropped to as low as -11 C. #

Streetlamps are covered in snow and ice on Feldberg mountain near Frankfurt, Germany, on January 5, 2017. #

A pair of tugboats cross Elliott Bay in view of the Olympic Mountains sporting a fresh coat of snow on January 3, 2017, in Seattle. #

Snow coats a statue in front of the Brandenburg Gate in Berlin on January 8, 2017. #

Frost covers the branches of a tree in the town of Godewaersvelde, in northwestern France, on December 30, 2016. #

A Highland Cow is pictured as frost covers the trees and fields in Andlau, France, on January 6, 2017. #

People climb an artificial frozen waterfall at a ski resort in Metabief, France, on January 7, 2017. #

The Blue mosque (Sultan Ahmet), seen during snowfall in Istanbul on January 8, 2017. #

Ice boats compete in the Hungarian championship on the smooth ice of frozen Lake Tisza at Abadszalok, Hungary, on January 7, 2017. #

People walk among snow-covered trees in Holzkirchen, Germany, on January 5, 2017. #

An Etihad Airways Airbus A380 comes in through thick fog to land at Heathrow Airport in west London on December 30, 2016. #

Ice covers a frozen fountain as Pope Francis leads his Sunday Angelus prayer in Saint Peter's square at the Vatican on January 8, 2017. #

People visit ice sculptures illuminated by coloured lights at the Harbin Ice and Snow Festival to celebrate the new year in Harbin, China, on January 5, 2017. #

A hotel in Ocean City, Maryland, on January 7, 2017, after a winter storm passed through. #

A man ice-fishes at midday on the frozen Bothnia Sea in Vaasa, Western Finland, on December 28, 2016. #