Revelers dressed as Santa Claus drink outside at a bar during the annual SantaCon event December 10, 2011 in New York City. SantaCon is a mass gathering of revelers dressed as Santa Claus who take to the streets in cities across the country before Christmas. (Photo by Allison Joyce/Getty Images)

A Burmese worker sets up Christmas lights inside a woman's clothing store inside a shopping mall December 6, 2011 in Nay Pyi Taw, Myanmar. (Photo by Paula Bronstein/Getty Images)

Starlings come home to roost on Brighton's Old Pier as the sun sets on December 21, 2011 in Brighton, England. December 21 marks the winter solstice, the shortest day of the year. (Photo by Dan Kitwood/Getty Images)

(L-R) Actors Oscar Sinela, Luis Fernandez, Ursula Corbero, Amaia Salamanca, Maxi Iglesias and Alba Ribas attend “XP3D” premiere at the Callao cinema on December 27, 2011 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)

Hundreds of green bicycles are prepared as 960 of them await riders for the new year gala at the Temple of Heaven Park on December 29, 2011 in Beijing, China. Annual New Year countdown ceremony will be held at the park on December 31. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

Gentoo penguins begin the breeding season at Edinburgh Zoo on March 1, 2011 in Edinburgh, Scotland. The zoo keepers have just installed the nest rings in the penguin enclosure. The male penguins will then collect pebbles and offer them to the females to fill nest rings with, this helps keep the eggs and chick up off the ground and is part of their courtship display. (Photo by Jeff J Mitchell/Getty Images)ю EDINBURGH, SCOTLAND – MARCH 01

(L-R) Victoria's Secret models Lily Aldridge, Erin Heatherton, Adriana Lima, Candice Swanepoel, and Chanel Iman attend the Victoria's Secret debut of the New "Incredible" Bra at Victoria's Secret, SoHo on March 1, 2011 in New York City. (Photo by Andrew H. Walker/Getty Images). NEW YORK, NY – MARCH 01

Magdalena Neuner poses in front of mammoth figures during a photocall of the German Biathlon Woman Team at the Archeopark on March 10, 2011 in Khanty-Mansiysk, Russia. On the territory of Archeopark are mammoth sculptural compositions, made of bronze. Mammoths lived in Ugra 70-10 thousand years ago and were members of the Pleistocene, or also called 'the mammoth fauna’. The growth figures exceed the natural factor 2-3 times.