People visit the Light of Internet Expo of the 2020 World Internet Conference (WIC) in Wuzhen, east China's Zhejiang Province, Nov. 22, 2020. Opening here on Sunday, the expo focuses on the world's most recent internet development trends and cutting-edge technologies, showcasing the latest internet technologies, achievements, products, and applications of 130 enterprises and institutions from home and abroad. (Xinhua/Li Xin)

　　Visitors learn about a body evaluation application at the booth of Tencent during the Light of Internet Expo of the 2020 World Internet Conference (WIC) in Wuzhen, east China's Zhejiang Province, Nov. 22, 2020. (Xinhua/Huang Zongzhi)

　　A kid tries a 5G smart education device at the booth of China Unicom during the Light of Internet Expo of the 2020 World Internet Conference (WIC) in Wuzhen, east China's Zhejiang Province, Nov. 22, 2020. (Xinhua/Li Xin)

　　People visit the Light of Internet Expo of the 2020 World Internet Conference (WIC) in Wuzhen, east China's Zhejiang Province, Nov. 22, 2020. (Xinhua/Li Xin)

　　Visitors view a robot at the booth of China's State Grid during the Light of Internet Expo of the 2020 World Internet Conference (WIC) in Wuzhen, east China's Zhejiang Province, Nov. 22, 2020. (Xinhua/Li Xin)

　　Visitors learn about Orange Collaborative Design Service at the booth of Uniorange during the Light of Internet Expo of the 2020 World Internet Conference (WIC) in Wuzhen, east China's Zhejiang Province, Nov. 22, 2020. (Xinhua/Huang Zongzhi)

　　People try out cloud tourism devices at the booth of Tencent during the Light of Internet Expo of the 2020 World Internet Conference (WIC) in Wuzhen, east China's Zhejiang Province, Nov. 22, 2020. (Xinhua/Huang Zongzhi)

　　Visitors view a self-driving car during the Light of Internet Expo of the 2020 World Internet Conference (WIC) in Wuzhen, east China's Zhejiang Province, Nov. 22, 2020. (Xinhua/Li Xin)