Giant panda cub nicknamed "Yuan Zai" is checked at the Taipei Zoo in Taipei, southeast China's Taiwan, Oct. 16, 2013. The female cub, born on July 6, has got 19 new teeth. It is the first baby of giant pandas "Tuan Tuan" and "Yuan Yuan", which were presented as goodwill gifts to Taiwan by the Chinese mainland. (Xinhua/Taipei Zoo)

Giant panda cub nicknamed "Yuan Zai" is seen at the Taipei Zoo in Taipei, southeast China's Taiwan, Oct. 16, 2013. The female cub, born on July 6, has got 19 new teeth. It is the first baby of giant pandas "Tuan Tuan" and "Yuan Yuan", which were presented as goodwill gifts to Taiwan by the Chinese mainland. (Xinhua/Taipei Zoo)