In pics: Shanghai, example of China's tremendous changes since reform and opening-up

Visitors watch a demonstration of robot surgery system during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. As the financial center of China, Shanghai is a good example of the tremendous changes that have taken place in China since the reform and opening-up. (Xinhua/Fang Zhe)