An air echelon flies over the Tian'anmen Square during a grand military parade celebrating the 70th founding anniversary of the People's Republic of China in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Liu Dawei)
An air echelon flies over the Tian'anmen Square during a grand military parade celebrating the 70th founding anniversary of the People's Republic of China in Beijing, capital of China, Oct. 1, 2019. (Xinhua/Liu Dawei)
