Helicopters forming the number "70" fly over the Tian'anmen Square during the 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/Wang Jianmin)
Helicopters forming the number "70" fly over the Tian'anmen Square during the 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/Wang Jianmin)
