Chui Sai On (3rd R, front), chief executive of the Macao Special Administrative Region, Li Gang (3rd L, front), director of the Liaison Office of the central government in Macao and Hu Zhengyue (2nd R, front), commissioner of the Ministry of Foreign Affairs in the Macao SAR, attend a flag-raising ceremony to celebrate the 15th anniversary of Macao's return to the motherland in Macao, south China, Dec. 20, 2014. (Xinhua/Lui Siu Wai) |