Activity celebrating 70th founding anniv. of PLA air force held in Changchun, Jilin

Visitors pose for a photo with aircraft for static display in the background during an air show held to celebrate the 70th founding anniversary of the Chinese People's Liberation Army (PLA) air force in Changchun, capital of northeast China's Jilin Province, Oct. 18, 2019. (Xinhua/Xu Chang)