
Photo taken on Aug. 17, 2017 shows simulated cockpits for pilots at Sky Plumage flight training base in Haikou, capital of south China's Hainan Province. An open day on aviation safety was held at the base here Thursday. (Xinhua/Guo Cheng)

Photo taken on Aug. 17, 2017 shows simulated cockpits for pilots at Sky Plumage flight training base in Haikou, capital of south China's Hainan Province. An open day on aviation safety was held at the base here Thursday. (Xinhua/Guo Cheng)