Tai Shan Panda Cub First Time Outside

Tai Shan, the giant panda cub at the Smithsonian's National Zoo, ventured outside for the first time on December 22, 2005 under the close eye of his mother, Mei Xiang. The five-month-old cub explored his outdoor exhibit yard, climbed on fallen trees and wrestled with his mother. (UPI Photo/Jessie Cohen/Smithsonian's National Zoo)