An anti-aircraft artillery is seen at the ongoing 11th China International Aviation & Aerospace Exhibition in Zhuhai, south China's Guangdong Province, Nov. 2, 2016. (Xinhua/Li He)
An anti-aircraft artillery is seen at the ongoing 11th China International Aviation & Aerospace Exhibition in Zhuhai, south China's Guangdong Province, Nov. 2, 2016. (Xinhua/Li He)