(170222) -- WASHINGTON D.C., Feb. 22, 2017 (Xinhua) -- Giant panda Bao Bao plays before leaving the zoo, in Washington D.C., the United States, Feb. 21, 2017. American-born giant panda Bao Bao will arrive in southwest China's Sichuan Province Wednesday night (Beijing time). (Xinhua/Yin Bogu) (lrz)more(170222) -- WASHINGTON D.C., Feb. 22, 2017 (Xinhua) -- The crate for giant panda Bao Bao is carried into a truck before she leaves the zoo en route back to China, in Washington D.C., the United States, Feb. 21, 2017. American-born giant panda Bao Bao will arrive in southwest China's Sichuan Province Wednesday night (Beijing time). (Xinhua/Yin Bogu) (lrz)more(170222) -- WASHINGTON D.C., Feb. 22, 2017 (Xinhua) -- Animal keepers of Smithsonian's National Zoo escort the crate of giant panda Bao Bao when leaving the zoo en route back to China, in Washington D.C., the United States, Feb. 21, 2017. American-born giant panda Bao Bao will arrive in southwest China's Sichuan Province Wednesday night (Beijing time). (Xinhua/Yin Bogu) (lrz)more(170222) -- WASHINGTON D.C., Feb. 22, 2017 (Xinhua) -- Giant panda Bao Bao plays before leaving the zoo, in Washington D.C., the United States, Feb. 21, 2017. American-born giant panda Bao Bao will arrive in southwest China's Sichuan Province Wednesday night (Beijing time).(Xinhua/Yin Bogu) (lrz)more