The female giant panda "Xiannu" is seen in China Conservation and Research Center for the Giant Panda in Ya'an, southwest China's Sichuan Province, Feb. 20, 2011. A female giant panda named "Xiannu" and a male named "Bili" will leave China for Japan's Ueno zoo on Feb. 21, 2011, for a ten-year-long exhibition in Tokyo. [Xinhua]