People wave to helicopters flying in the formation of "70" during celebrations marking the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Jiang Wenyao)
People wave to helicopters flying in the formation of "70" during celebrations marking the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Jiang Wenyao)
