Winter outdoor sports enthusiast Olesya Ushakova poses while throwing hot water into subzero air as she participates in the "Dubak Challenge", an intense cold challenge that is popular on social media in Russia, during sunset outside the Siberian...more
A dog is seen in a snow-covered park during snowfall in Kiev, Ukraine February 6. REUTERS/Gleb Garanich
Members of the Dolphin winter swimming club swim in the icy waters of the Yenisei River during their weekly bathing session in the Siberian town of Divnogorsk, Russia February 8. REUTERS/Ilya Naymushin
The snow-covered landscape is seen near Menzingen, Switzerland February 5. REUTERS/Arnd Wiegmann
A person cycles over the Clifton Suspension Bridge and Avon Gorge in Bristol during snowfall in southwest Britain, February 1. REUTERS/Toby Melville
A pedestrian stops to take a photo by Chicago River, as bitter cold phenomenon called the polar vortex descended on much of the central and eastern United States, in Chicago, Illinois, January 29. REUTERS/Pinar Istek
A child stands near the Peace Bell at the Fichtelberg in the Ore Mountains in Oberwiesenthal, Germany, January 25. REUTERS/Hannibal Hanschke
People stand in front of a snow-covered forest in Oberwiesenthal, Germany, January 24. REUTERS/Hannibal Hanschke
A woman tries to catch snowflakes with her tongue during a snowfall on Chandragiri Hills in Kathmandu, Nepal, January 23. REUTERS/Navesh Chitrakar
A dog enjoys playing in the snow on the Feldberg mountain near Koenigstein, outside of Frankfurt, Germany, January 22. REUTERS/ Kai Pfaffenbach
The frost covered Wendelstein church, Germany's highest church, on the Wendelstein mountain near Bayrischzell, Germany, January 23. REUTERS/Michael Dalder
A pied wagtail bird walks through footprints on snow in Glenshane Pass, Northern Ireland, January 22. REUTERS/Clodagh Kilcoyne
Snow falls over the White House in Washington, January 13. REUTERS/Carlos Barria
Water flows around ice, formed on the American Falls in Niagara Falls, New York, due to subzero temperatures, viewed from the Canadian side, in Niagara Falls, Ontario, January 22. REUTERS/Moe Doiron
Trees covered with snow are seen after sunset at the mountain resort in Szczyrk, Poland, January 7. REUTERS/Kacper Pempel
Snow covers the roofs of half-timbered houses from the 17th century in the 'Alter Flecken' (old spot), the historic core of downtown Freudenberg, in the federal state of North Rhine-Westphalia near the city of Siegen, Germany, December 16. ...more
A man fishes on a bank of the Yenisei River outside the Siberian city of Krasnoyarsk, Russia, December 10. REUTERS/Ilya Naymushin
A deer is seen on Mount Parnitha during snowfall, near Athens, Greece, January 4. REUTERS/Giorgos Moutafis
Wind blows snow on top of Engstligenalp near Adelboden, Switzerland, January 12. REUTERS/Stefan Wermuth
Cars are seen following snow at a car park in Yantai, Shandong province, China, December 11. REUTERS/Stringer
A house is covered by snow at the mountain resort in Szczyrk, Poland, January 7. REUTERS/Kacper Pempel
Deer are seen in the snow-covered landscape near Klosters, Switzerland, January 15. REUTERS/Arnd Wiegmann
A man shovels snow on a rooftop during heavy snowfall in Filzmoos, Austria, January 8. REUTERS/Leonhard Foeger
Trees are covered with snow in Hohenleiten, near Munich, Germany, January 6. REUTERS/Andreas Gebert
Venezuelan President Nicolas Maduro said U.S.-backed humanitarian aid being stockpiled at the Colombian border for his country should be distributed to poor...
Builders will start demolishing sections of the Morandi bridge ahead of its reconstruction, six months after the viaduct gave way in the Italian port city,...
At least two people were killed and six wounded after an eight-storey residential building collapsed in Istanbul, Turkey.
Our top photos from the past week.