An echelon of trainer aircraft takes part in a military parade marking the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Yin Bogu)
An echelon of trainer aircraft takes part in a military parade marking the 70th anniversary of the founding of the People's Republic of China (PRC) in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Yin Bogu)
