Zhang Yong, vice secretary-general of the State Council, speaks during the opening ceremony of Macao's panda pavilion in Macao, south China, Jan. 18, 2011. Macao held the opening ceremony for its panda pavilion on Tuesday, indicating that Kai Kai and Xin Xin, the panda pair that China's central government presented Macao Special Administrative Region, are allowed to see the public after undergoing a month-long quarantine. [Xinhua]