Fire fighters attend a drill session during the Jilin Fire Fighting Emergency Rescue Drill On Setpember 28, 2011 in Changchun, Jilin Province of China. (Photo by ChinaFotoPress/Getty Images)
Photographer and artist Jill Greenberg poses at her home to promote her Exhibit “Glass Ceiling: American Girl Doll” And Billboard For LA on September 29, 2011 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)
A zebra walks through the recently flooded Safari Park located at Safari World November 2, 2011 in Bangkok, Thailand. (Photo by Paula Bronstein /Getty Images)
PORTLAND, OR - NOVEMBER 17: A protestors carries an 'Occupy' sign during a march though downtown Portland November 17, 2011. The Occupy Portland movement joined the nationwide N17 protests today, targeting downtown banks. (Photo by Natalie Behring/Getty Images)
A musician from the Rajan Band, Kotla Mubarakpur holds on to a decorated horse as he and others wait prior to performing at a wedding on November 22, 2011 in New Delhi, India. (Photo by Daniel Berehulak/Getty Images)
Pig Felix of physiotherapist Daan Vermeulen lies amid elderly people in a senior care facility on April 12, 2011 in Gelsenkirchen, Germany. (Photo by Ralph Orlowski/Getty Images)