Flag-raising ceremony held to celebrate 15th anniv. of Macao's return to motherland (5)
Chui Sai On (2nd L), Chief Executive of the Macao Special Administrative Region, attends 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)