Cold

Workers warm themselves around a fire at a wholesale grocery market on a winter morning in the old quarters of Delhi December 19, 2014.

Ahmad Masood/Reuters

Workers warm themselves around a fire at a wholesale grocery market on a winter morning in the old quarters of Delhi on Friday

Men ride a boat as seagulls fly over the waters of the river Yamuna in New Delhi...Men ride a boat as seagulls fly over the waters of the river Yamuna on a cold, winter morning in New Delhi December 18, 2014. REUTERS/Ahmad Masood (INDIA - Tags: ANIMALS SOCIETY ENVIRONMENT)

Ahmad Masood/Reuters

Men ride a boat as seagulls fly over the waters of the river Yamuna on a cold, winter morning in New Delhi 

A bench covered in ice on Buda Hills in Budapest, December 3, 2014. Tens of thousand of homes on the outskirts of Budapest went without electricity this week as freezing rain blanketed the area and falling trees cut power lines, Hungary's Disaster Relief Agency said.

Bernadett Szabo/Reuters

A bench covered in ice on Buda Hills in Budapest on Wednesday. Tens of thousand of homes on the outskirts of Budapest went without electricity this week as freezing rain blanketed the area and falling trees cut power lines

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.