Pandas lived in China´s tropical island 400,000 years ago

Three-month-old twin pandas Aihin and Meihin (R) are carried by a keeper at Adventure World in Shirahama town, central Japan, April 14, 2007. Female Aihin, the older of the two, and male Meihin were born on December 23, 2006, which is the the world's first twin panda birth in the winter season, an Adventure World official said.(Xinhua/Reuters Photo)

Editor:Zhang Ning