An air echelon escorting flags is seen 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/Liu Jinhai)
An air echelon escorting flags is seen 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/Liu Jinhai)
