Kids view a model of 5G base station at the Huawei 5G Experience Booth during the preview of the 2019 World Artificial Intelligence Conference in east China's Shanghai, Aug. 26, 2019. China's economic hub Shanghai will hold the 2019 World Artificial Intelligence Conference (WAIC) from August 29 to 31. This year's event will focus on a connected intelligent world enabled by the development of AI technologies, according to the Shanghai municipal government. (Photos: Xinhua)

People visit the Huawei 5G Experience Booth during the preview of the 2019 World Artificial Intelligence Conference in east China's Shanghai, Aug. 26, 2019. There will be two summit forums, where governors, representatives from international organizations, leading scientists and entrepreneurs discuss the development of the AI industry to seek high quality development, application and governance.

A whale sculpture made of plastic waste is displayed during the preview of the 2019 World Artificial Intelligence Conference in east China's Shanghai, Aug. 26, 2019. Ten sub-forums will also be held covering topics such as intelligent algorithm, chip and smart hardware, autonomous driving and AI+5G. China hosted the WAIC in Shanghai last year for the first time, attracting 200,000 visitors and 72,000 guests from over 40 countries and regions.

A kid experiences an AI computing "mirror" that can carry out psychological analysis according to the person's facial expressions at an AI booth of Chinese e-commerce giant Alibaba Group during the preview of the 2019 World Artificial Intelligence Conference in east China's Shanghai, Aug. 26, 2019. Shanghai will establish six demonstration zones for AI innovative application and 60 scenarios for in-depth application of AI by 2020.