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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Zeguo)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Zeguo)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

Photo taken on Sept. 1, 2022 shows the opening ceremony of the 2022 Hunan (International) General Aviation Industry Expo at the Changsha International Convention and Exhibition Center in Changsha, central China's Hunan Province. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Zeguo)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Zeguo)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

Performance is staged 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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

Visitors experience flight simulators during the 2022 Hunan (International) General Aviation Industry Expo at the Changsha International Convention and Exhibition Center in Changsha, central China's Hunan Province, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Zeguo)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Zeguo)

A light sport aircraft is displayed during the 2022 Hunan (International) General Aviation Industry Expo at the Changsha International Convention and Exhibition Center in Changsha, central China's Hunan Province, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Zeguo)

A helicopter is displayed during the 2022 Hunan (International) General Aviation Industry Expo at the Changsha International Convention and Exhibition Center in Changsha, central China's Hunan Province, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Zeguo)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

Performance is staged 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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)

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, Sept. 1, 2022. The 2022 Hunan (International) General Aviation Industry Expo opened here on Thursday. The expo comprises a static exhibition at the Changsha International Convention and Exhibition Center in Changsha and an air show at the Lusong Airport of Zhuzhou City, both in central China's Hunan Province. (Xinhua/Chen Sihan)