A flag-raising ceremony marking the 21st anniversary of Macao's return to the motherland is held at the Golden Lotus Square in Macao, south China, Dec. 20, 2020. (Xinhua/Cheong Kam Ka)
A flag-raising ceremony marking the 21st anniversary of Macao's return to the motherland is held at the Golden Lotus Square in Macao, south China, Dec. 20, 2020. (Xinhua/Cheong Kam Ka)
A flag-raising ceremony marking the 21st anniversary of Macao's return to the motherland is held at the Golden Lotus Square in Macao, south China, Dec. 20, 2020. (Xinhua/Cheong Kam Ka)
A flag-raising ceremony marking the 21st anniversary of Macao's return to the motherland is held at the Golden Lotus Square in Macao, south China, Dec. 20, 2020. (Xinhua/Cheong Kam Ka)
A flag-raising ceremony marking the 21st anniversary of Macao's return to the motherland is held at the Golden Lotus Square in Macao, south China, Dec. 20, 2020. (Xinhua/Cheong Kam Ka)
