Giant panda "Yuanyuan" enjoys his eleventh birthday cake at Taipei Zoo in Taipei, southeast China's Taiwan, Aug. 30, 2015. "Yuanyuan" was born on Aug. 30, 2004. (Photo: Xinhua/Wu Ching-teng)
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Giant panda "Yuanyuan" enjoys his eleventh birthday cake at Taipei Zoo in Taipei, southeast China's Taiwan, Aug. 30, 2015. "Yuanyuan" was born on Aug. 30, 2004. (Photo: Xinhua/Wu Ching-teng)
