Monte Sano Elementary third graders from Huntsville, Ala. use binoculars to look at waterfowl outside the observation tower during a visit to the Wheeler Wildlife Refuge in Decatur, Ala., Jan 19, 2012 as part of an Earthscope program. Earthscope, a program that teaches about environmental issues and concepts through a variety of field excursions. (Dave Dieter/The Huntsville Times/AP Photo)

A painter returns from work during preparations for the Beating Retreat ceremony near the Presidential Palace complex in New Delhi, India, Jan. 20, 2012. (Gurinder Osan/AP Photo)

Vidal Laurent of France enters the water during the Men's Elite race four of the Contact Tri Series, Jan. 20, 2012 in Wanaka, New Zealand. (Hannah Johnston/Getty Images)

A mallard looks for a place to land amongst the hundreds of ducks wintering over at the Cuddy Family Midtown Park in Anchorage, Alaska during below zero temperatures, Jan. 18, 2012. (Bill Roth/Anchorage Daily News/AP Photo)

Two Carabinieri (Italian paramilitary police) scuba divers swim next to the Costa Concordia cruise ship's bell, off of Giglio island, Italy, Jan. 20, 2012. The $450 million Costa Concordia was carrying more than 4,200 passengers and crew when it slammed into well-marked rocks off the island of Giglio after the captain made an unauthorized diversion from his programmed route. (Carabinieri/AP Photo)

A model prepares backstage at the Blacky Dress Autumn/Winter 2012 fashion show during Mercedes-Benz Fashion Week Berlin at Brandenburg Gate, Jan. 20, 2012 in Berlin, Germany. (Andreas Rentz/Getty Images)

Indian women look on during Gujarat Chief Minister Narendra Modi's fast in Godhra, about 140 kilometers (87 miles) from Ahmedabad, India, Jan. 20, 2012. The fast is being held for communal harmony at Godhra town, the epicenter of 2002 riots, nearly a month before its tenth anniversary. (Ajit Solanki/AP Photo)

Shoppers buy kumquat trees in the days leading up to Tet Lunar New Year in Hanoi, Vietnam, Jan. 19, 2012. Consumer prices grew more than 18 percent in December, the fastest among 17 Asia Pacific economies. (Justin Mott/Bloomberg/Getty Images)

Anabel Medina Garrigues of Spain falls, injuring her right ankle as she plays Li Na of China during their third round match at the Australian Open tennis championship, in Melbourne, Australia, Jan. 20, 2012. (John Donegan/AP Photo)