A robot plays finger-guessing game with a visitor at 2017 International Innovation & Entrepreneurship Expo in Beijing, capital of China, Dec 9,2017. The three-day expo kicked off at Beijing International Convention Center on Dec 8. [Photo/Xinhua]
A robot plays finger-guessing game with a visitor at 2017 International Innovation & Entrepreneurship Expo in Beijing, capital of China, Dec. 9,2017. [Photo/Xinhua]
An exhibitor shows a robot that does operation work in the air at 2017 International Innovation & Entrepreneurship Expo in Beijing, capital of China, Dec 9, 2017. [Photo/Xinhua]
A woman experiences VR technology at 2017 International Innovation & Entrepreneurship Expo in Beijing, capital of China, Dec 9, 2017. [Photo/Xinhua]
People visit 2017 International Innovation & Entrepreneurship Expo in Beijing, capital of China, Dec 9, 2017. [Photo/Xinhua]
