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In this photo released by China's Xinhua News Agency, giant panda Yuanyuan eats a special birthday cake at a zoo in Taipei, Taiwan, on Sunday, Aug. 29, 2010. The upcoming 6th birthdays for giant pandas Yuanyuan and Tuantuan were celebrated on Sunday. Yuanyuan and Tuantuan were born on Aug. 30 and Sept. 1 in 2004 respectively.
(AP Photo/ Xinhua, Wu Ching-teng)