China's Bayi Aerobatic Team performs during the opening ceremony of the 13th China International Aviation and Aerospace Exhibition, or Airshow China 2021, in Zhuhai, South China's Guangdong province, Sept 28, 2021. The exhibition kicked off on Tuesday. (Photos: Xinhua)

China's Bayi Aerobatic Team performs during the opening ceremony of the 13th China International Aviation and Aerospace Exhibition, or Airshow China 2021, in Zhuhai, South China's Guangdong province, Sept 28, 2021.

China's Bayi Aerobatic Team performs during the opening ceremony of the 13th China International Aviation and Aerospace Exhibition, or Airshow China 2021, in Zhuhai, South China's Guangdong province, Sept 28, 2021.

China's Bayi Aerobatic Team performs during the opening ceremony of the 13th China International Aviation and Aerospace Exhibition, or Airshow China 2021, in Zhuhai, South China's Guangdong province, Sept 28, 2021.

China's Bayi Aerobatic Team performs during the opening ceremony of the 13th China International Aviation and Aerospace Exhibition, or Airshow China 2021, in Zhuhai, South China's Guangdong province, Sept 28, 2021.

China's Bayi Aerobatic Team performs during the opening ceremony of the 13th China International Aviation and Aerospace Exhibition, or Airshow China 2021, in Zhuhai, South China's Guangdong province, Sept 28, 2021.

China's Bayi Aerobatic Team performs during the opening ceremony of the 13th China International Aviation and Aerospace Exhibition, or Airshow China 2021, in Zhuhai, South China's Guangdong province, Sept 28, 2021.

China's Bayi Aerobatic Team performs during the opening ceremony of the 13th China International Aviation and Aerospace Exhibition, or Airshow China 2021, in Zhuhai, South China's Guangdong province, Sept 28, 2021.