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People visit 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 Friday. (Xinhua/LuoXiaoguang)

People visit 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 Friday. (Xinhua/LuoXiaoguang)