Chengdu J-20 stealth fighter jets of Chinese People's Liberation Army (PLA) Air Force perform with open weapon bays during the China International Aviation and Aerospace Exhibition, or Zhuhai Airshow, in Zhuhai, Guangdong province, China November 11, 2018. REUTERS/Stringer ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. CHINA OUT. - RC12CF4CDC00