Workers de-ice a cargo plane at the airport in Munich, Germany, on Monday after Germany was hit with heavy snowfall over the weekend. Matthias Schrader/AP
Penguins enjoy 20 degree weather as they stroll outside at the St. Louis Zoo on Jan. 10 in Missouri. Keepers walk with the penguins outside every Sunday in the winter when the temperature outside is below 50 degrees Fahrenheit. Jeff Roberson/AP
Smog and haze hovers over Salt Lake City, Utah, on Tuesday. Weather reports indicate that the inversion-trapped pollution will give way to an approaching storm. Schools in parts of Utah kept students inside for recess after the soaring pollution levels prompted state health warnings on driving and outdoor activity. Brian Nicholson/Deseret News/AP
An Afghan boy stands near a public water pump in Kabul, Afghanistan, on Wednesday. Nearly halfway through the Afghan winter, unusually warm and dry weather is raising fears of a drought that could cause food shortages, undermine efforts to slash poppy growing, and worsen security problems in the region. Ahmad Masood/Reuters
A sow with snow on her snout walks in the snow at a pig farm in Thame, England. Britain has been hit with its coldest winter in decades, and received a fresh blanket of snow on Wednesday, halting flights from London Gatwick, Birmingham, and Cardiff airports. Eddie Keogh/Reuters
Lightning flashes across the sky over Cas Port in Rio de Janeiro, Brazil, on Tuesday. Felipe Dana/AP
The Winter Palace is seen in St. Petersburg, Russia, on Sunday as temperatures in the area dropped to -4 degrees Fahrenheit. Dmitry Lovetsky/AP
Indians try to keep warm around a small fire near the Jama Masjid Mosque in Delhi, India, on Monday. Temperatures have been unseasonably low in the Indian capital in recent days while a number of people have died in northern India due to the cold weather. Kevin Frayer/AP
Eduardo Melian tries to stay warm as he sorts honeybell oranges at the Roth New River Grove in Davie, Fla., on Sunday. Melian said the cold was so bad that he could not pick up the oranges for a while because his fingers were numb. Joe Cavaretta/Sun Sentinel/AP
A swan's beak is covered with snow on the banks of the rivier Main between Hanau and Frankfurt, Germany. Freezing temperatures in the region are expected to continue until next week. Kai Pfaffenbach/Reuters
Sunlight reflects off a fence covered in frost on Monday in Jiggs, Nev. Ross Andreson/Elko Daily Free Press/AP
Spray from surface water flies up as curlers Kenny Kinnear and David Smith (not shown) take part in a curling match on the frozen Lake of Menteith in Stirlingshire, Scotland, on Tuesday. The Bonspiel Grand Match Curling Tournament, set to be held on the lake, was canceled because emergency services could not guarantee the safety of competitors because the ice has started to melt due to warm weather. Hundreds of people turned up however to play despite the cancellation. David Moir/Reuters
A man rides his bicycle on a flooded road after the Skadar lake overflowed in Plavnica, Montenegro, on Wednesday. Risto Bozovic/AP
Plastic, child-sized swimming pools at the Animal Rehabilitation Keep in Port Aransas, Texas hold green sea turtles that washed ashore during the weekend when the turtles were stunned by the cold weather and became disoriented. George Gongora/Corpus Christi Caller-Times/AP
Members of the Iona College swim team workout at a steamy Ft. Lauderdale Aquatic Center on Jan. 10. Iona's Coach Nick Cavatero said he has been bringing his team to train at the same pool for 28 years and has never felt it this cold before. The temperature was 38 degrees, but the pool was 77. Joe Cavaretta/Sun Sentinel/AP
A woman and child walk in the snow on a cold morning in Lausanne, Switzerland, on Jan. 13. Denis Balibouse/Reuters
A submerged car lies in the frozen Union canal near Winchburgh, Scotland, on Tuesday. Two men were charged with reckless conduct after the car, which was being driven on the frozen canal, plunged through the ice. Andrew Milligan/P
Winter swimmers leave Lake Oranke during the annual winter swim by the ice swimming club Berlin Seals in Berlin, Germany, on Jan. 9. Markus Schreiber/AP
Spotted seals swim in a partly frozen lake at Dongpaotai Park in Yantai, China, on Jan. 10. Temperatures will plummet in the north with rain falling in the south as a strong cold waves sweeps across the country, a national weather forecaster said. China Daily/Reuters
Icicles hang over a statue in St. Petersburg, Russia, on Wednesday. Dmitry Lovetsky/AP
A fisherman stands on a dock at the Sedgwick County Park on a foggy Thursday morning in Kansas. Visibility was down to near zero at times due to the intense fog that settled over much of the southern part of the state, including the Wichita metropolitan area. Jaime Green/The Wichita Eagle/AP
A man walks with his dog, who is dressed in a sweater and boots, on a cold day in Shanghai, China, on Wednesday. Nir Elias/Reuters
Children enjoy sledding in the snow in Pitlochry, Scotland, on Jan. 9. Russell Cheyne/Reuters
Icicles hang from a fence outside a nursery in Plant City, Fla., on Monday, as the region faced another blast of sub-freezing temperatures overnight. Chris O'Meara/AP
Airborne lasers produced a detailed map of the lost city of Mahendraparvata, including highways and previously undiscovered temples, hidden beneath dense vegetation in Cambodia.
Airborne laser technology has uncovered a network of roadways and canals, illustrating a bustling ancient city linking Cambodia's famed Angkor Wat temples complex.
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