Visitors take photos of exhibits at the 12th China International Aviation and Aerospace Exhibition (Airshow China) in Zhuhai, South China’s Guangdong province, Nov 11, 2018. [Photo/Xinhua]

A visitor takes photos of a model plane at the 12th China International Aviation and Aerospace Exhibition (Airshow China) in Zhuhai, South China’s Guangdong province, Nov 11, 2018.[Photo/Xinhua]

China’s Bayi Aerobatic Team perform at the 12th China International Aviation and Aerospace Exhibition (Airshow China) in Zhuhai, South China’s Guangdong province, Nov 11, 2018. [Photo/Xinhua]

Members of China’s Bayi Aerobatic Team and Hongying (Red Eagle) Aerobatic Team greet the visitors at the 12th China International Aviation and Aerospace Exhibition (Airshow China) in Zhuhai, South China’s Guangdong province, Nov 11, 2018.[Photo/Xinhua]