China's mainland and Macao officials, as well as invited guests, attend the flag-raising ceremony marking the 11th anniversary of Macao's handover at the Golden Lotus Square in Macao Special Administrative Region, south China, Dec. 20, 2010. [Xinhua]

The flag-raising ceremony marking the 11th anniversary of Macao's handover is held at the Golden Lotus Square in Macao Special Administrative Region, south China, Dec. 20, 2010. [Xinhua]