A domestic-built Y-20 heavy transport aircraft flies in the sky at the 11th China International Aviation and Aerospace Exhibition in Zhuhai, south China's Guangdong Province, Nov. 1, 2016. (Photo/Xinhua)
A domestic-built Y-20 heavy transport aircraft flies in the sky at the 11th China International Aviation and Aerospace Exhibition in Zhuhai, south China's Guangdong Province, Nov. 1, 2016. (Photo/Xinhua)