An opening ceremony of the aviation open-day activities of the Chinese People's Liberation Army (PLA) Air Force (PLAAF) and the Changchun Air Show 2025 is held on the morning of September 19, 2025. The event starts from September 19 to 23 in Changchun City, northeast China’s Jilin Province. (eng.chinamil.com.cn/Photo by Yu Hongchun)