Cold

A girl sticks out her tongue during snowfalls on a street in Hefei, Anhui province February 13, 2014.

Reuters

A girl lets snow fall on her tongue on a street in Hefei, Anhui province, in eastern China, on Thursday

An Afghan child warms herself near a traditional "sandali" stove at her family's home in Herat on February 7, 2014. As winter sets in across Central Asia, many Afghans struggle to provide adequate food and shelter for their families.

Aref Karimi/AFP

An Afghan child warms herself near a traditional sandali stove at her family’s home in Herat, Afghanistan, on Friday. As winter sets in across Central Asia, finding adequate food and shelter is a struggle for many Afghans.

An Afghan resident walks during snowfall in Kabul on February 6, 2014. The Afghan capital has experienced its second heavy snowfall of the winter.

Shah Marai/AFP

An Afghan resident walks during snowfall in Kabul on Thursday. The Afghan capital has experienced its second heavy snowfall of the winter.

An anti-government protester stands at a road block in Kiev on February 3, 2014. Tens of thousands of protesters rallied in Ukraine on Sunday in a bid to wring new concessions from President Viktor Yanukovych, buoyed by pledges of support from Europe and the United States. More than 50,000 people could be seen on Kiev's barricaded Independence Square -- that has become the epicentre of a two-month protest movement -- and thousands more were arriving.

Aris Messinis/AFP

An anti-government protester stands at a road block in Kiev on Monday. Tens of thousands of protesters rallied in Ukraine on Sunday in an attempt to wring new concessions from President Viktor Yanukovich, buoyed by pledges of support from Europe and the US.

A pedestrian walks along the banks of the Neris river as temperatures dipped to -18 degrees Celsius (-0,40 degrees Fahrenheit) in Vilnius, Lithuania, Monday, Jan. 20, 2014.

Mindaugas Kulbis/AP

A pedestrian walks along the banks of the Neris river as temperatures dipped to minus 18 degrees centigrade in Vilnius, Lithuania, on Monday.

Soldiers of the South Korean army's special forces perform in the snow during a winter survival exercise in Pyeongchang, some 200 kilometers east of Seoul, 08 January 2014. The drill originally was designed to prepare for possible North Korea attacks.

Lee Jun-Sang/EPA

Soldiers of the South Korean army’s special forces perform in the snow during a winter survival exercise in Pyeongchang, some 200km east of Seoul. The drill originally was designed to prepare for possible North Korea attacks.

Polar Vortex Weather System Brings Artic Temperatures Across Wide Swath Of U.S....NEW YORK, NY - JANUARY 07:  Commuters walk through Manhattan's Grand Central train terminal on January 7, 2014 in New York City. A 'polar vortex'  of frigid air centered on the North Pole dropped temperatures to a record low 4 degrees in New York City.

John Moore/Getty

Commuters find refuge in Manhattan’s Grand Central train terminal as temperatures drop below freezing in New York city. 

Ice forms on an abandoned dock structure in the East River due to unusually low temperatures caused by a Polar Vortex in New York January 7, 2014.

Lucas Jackson/Reuters

Ice forms on an abandoned dock in the East River as extreme freezing conditions, known as a polar vortex, hit New York. The Atlantic seaboard of the US is gripped by the coldest weather it has had in decades

Would-be immigrants drink and eat at Tarifa's harbour on April 22, 2013, after being rescued off the Spanish Coast. Spanish lifeguards today saved 32 African immigrants trying to cross the sea from Morocco to Spain in flimsy vessels, authorities said. A source in the lifeguard told AFP that Spanish rescuers hauled 32 migrants, of which all but one were men, from four vessels and took them to Tarifa on the southern tip of Spain.

Marcos Moreno/AFP

Immigrants drink and eat at Tarifa’s harbour after being rescued off the Spanish coast. Spanish lifeguards today saved 32 African immigrants trying to cross the sea from Morocco to Spain in flimsy vessels, authorities said.