A man takes photos of a simulator of China's manned submersible Shenhai Yongshi (Deep Sea Warrior) at the China pavilion during the second China International Import Expo (CIIE) in Shanghai, east China, Nov. 5, 2019. The China pavilion showcases achievements China has made over the past 70 years, as well as its culture and landscape. (Xinhua/Chen Jianli)