Giant panda Tai Shan enjoys a cake during a farewell party at the National Zoo in Washington D.C., the United States, Jan. 30, 2010. Hundreds of fans braved heavy snowfall Saturday to express goodbye to Tai Shan. Tai Shan, born at the Natiional Zoo in 2005, will be carried back to China by a U.S. FedEx cargo plane on Feb. 4. [Xinhua/Zhang Jun]