![An exhibitor shows how to buy goods at an intelligent market during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Ding Ting)](http://www.ecns.cn/hd/2018/09/18/4b2dcef1dfcd4919a7caa7e1bdd3e1b3.jpg)
An exhibitor shows how to buy goods at an intelligent market during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Ding Ting)
![Visitors watch a demonstration of robot surgery system during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)](http://www.ecns.cn/hd/2018/09/18/aadae22b12eb4e559400458626431e48.jpg)
Visitors watch a demonstration of robot surgery system during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)
![A staff member plays table tennis with a robot during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Ding Ting)](http://www.ecns.cn/hd/2018/09/18/63d97896d430400b91bb49136be05bd2.jpg)
A staff member plays table tennis with a robot during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Ding Ting)
![Visitors interact with a robot during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)](http://www.ecns.cn/hd/2018/09/18/654d7f29012a496fa17fa51d66b64efa.jpg)
Visitors interact with a robot during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)
![Guests attend a global artificial intelligence academic alliance kick-off ceremony during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)](http://www.ecns.cn/hd/2018/09/18/132326373aea4578a8c7307e5d6ae9e2.jpg)
Guests attend a global artificial intelligence academic alliance kick-off ceremony during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)
![A visitor (R) consults at the stand of an educational organization during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)](http://www.ecns.cn/hd/2018/09/18/47f536afb79f474c97218274d2472975.jpg)
A visitor (R) consults at the stand of an educational organization during the World Artificial Intelligence Conference (WAIC) 2018 in Shanghai, east China, Sept. 17, 2018. The three-day conference has attracted experts, scholars and entrepreneurs from nearly 40 countries and regions. More than 200 leading companies in AI participated in the conference and the exhibition. (Xinhua/Fang Zhe)