Artists from China Disabled People's Performing Art Troupe sing to celebrate the 70th anniversary of the founding of the People's Republic of China and the 20th anniversary of Macao's return to the motherland, in south China's Macao, Aug. 24, 2019. (Xinhua/Cheong Kam Ka)

An artist from China Disabled People's Performing Art Troupe plays saxophone to celebrate the 70th anniversary of the founding of the People's Republic of China and the 20th anniversary of Macao's return to the motherland, in south China's Macao, Aug. 24, 2019. (Xinhua/Cheong Kam Ka)

Artists from China Disabled People's Performing Art Troupe perform Latin dance to celebrate the 70th anniversary of the founding of the People's Republic of China and the 20th anniversary of Macao's return to the motherland, in south China's Macao, Aug. 24, 2019. (Xinhua/Cheong Kam Ka)

Artists from China Disabled People's Performing Art Troupe perform dance to celebrate the 70th anniversary of the founding of the People's Republic of China and the 20th anniversary of Macao's return to the motherland, in south China's Macao, Aug. 24, 2019. (Xinhua/Cheong Kam Ka)

Artists from China Disabled People's Performing Art Troupe perform dance to celebrate the 70th anniversary of the founding of the People's Republic of China and the 20th anniversary of Macao's return to the motherland, in south China's Macao, Aug. 24, 2019. (Xinhua/Cheong Kam Ka)

Artists from China Disabled People's Performing Art Troupe perform dance to celebrate the 70th anniversary of the founding of the People's Republic of China and the 20th anniversary of Macao's return to the motherland, in south China's Macao, Aug. 24, 2019. (Xinhua/Cheong Kam Ka)

Artists from China Disabled People's Performing Art Troupe perform dance to celebrate the 70th anniversary of the founding of the People's Republic of China and the 20th anniversary of Macao's return to the motherland, in south China's Macao, Aug. 24, 2019. (Xinhua/Cheong Kam Ka)