Giant pandas Mei Xiang, Tian Tian, Xiao Qi Ji depart Washington for China

DULLES (U.S.), Nov. 9 (Xinhua) -- Giant pandas Mei Xiang, Tian Tian and their male cub Xiao Qi Ji departed the Smithsonian's National Zoo in Washington, D.C. on Wednesday, wrapping up their stay in the United States and embarking on a jo