A helicopter of China's Fenglei aerobatic team is seen during a performance at the opening ceremony of the 6th China Helicopter Exposition in north China's Tianjin Municipality Sep 14, 2023. Photo:Xinhua
China's Fenglei aerobatic team performs at the opening ceremony of the 6th China Helicopter Exposition in north China's Tianjin Municipality Sep 14, 2023. Photo:Xinhua
A helicopter of China's Fenglei aerobatic team is seen during a performance at the opening ceremony of the 6th China Helicopter Exposition in north China's Tianjin Municipality Sep 14, 2023. Photo:Xinhua
China's Fenglei aerobatic team performs at the opening ceremony of the 6th China Helicopter Exposition in north China's Tianjin Municipality Sep 14, 2023. Photo:Xinhua
A helicopter of China's Fenglei aerobatic team is seen during a performance at the opening ceremony of the 6th China Helicopter Exposition in north China's Tianjin Municipality Sep 14, 2023. Photo:Xinhua
A helicopter of China's Fenglei aerobatic team is seen during a performance at the opening ceremony of the 6th China Helicopter Exposition in north China's Tianjin Municipality Sep 14, 2023. Photo:Xinhua
China's Fenglei aerobatic team performs at the opening ceremony of the 6th China Helicopter Exposition in north China's Tianjin Municipality Sep 14, 2023. Photo:Xinhua
China's Fenglei aerobatic team performs at the opening ceremony of the 6th China Helicopter Exposition in north China's Tianjin Municipality Sep 14, 2023. Photo:Xinhua