A fleet of fixed-wing aircraft fly during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

A visitor experience a VR flight simulator during the 2022 Hunan (International) General Aviation Industry Expo at the Changsha International Convention and Exhibition Center in Changsha, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

Visitors are seen during the 2022 Hunan (International) General Aviation Industry Expo at the Changsha International Convention and Exhibition Center in Changsha, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

Visitors watch a performance of fixed-wing aircraft during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022.Photo:Xinhua

Visitors are seen during the 2022 Hunan (International) General Aviation Industry Expo at the Changsha International Convention and Exhibition Center in Changsha, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

A fleet of gyroplanes fly during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

A gyroplane performs during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

Pilots of gyroplanes wave to the audience after their performance during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

A fleet of fixed-wing aircraft fly during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

Two fixed-wing aircraft perform during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

Fixed-wing aircraft return to the runway after their performance during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua

Visitors watch a performance of fixed-wing aircraft during an air show, which is a part of the 2022 Hunan (International) General Aviation Industry Expo, at the Lusong Airport of Zhuzhou City, central China's Hunan Province, Sep 1, 2022. Photo:Xinhua