A visitor plays games in the VR Experience area of the China (Xiamen) International Internet of Things Expo and Forum 2016 in Xiamen, Southeast China’s Fujian province, June 3, 2016.[Photo/Xinhua]

Photo taken on June 3, 2016 shows a drone specialized in taking aerial photos during the China (Xiamen) International Internet of Things Expo and Forum 2016 in Xiamen, Southeast China’s Fujian province, June 3, 2016.[Photo/Xinhua]

A company representative introduces products to a visitor during the China (Xiamen) International Internet of Things Expo and Forum 2016 in Xiamen, southeast China’s Fujian province, June 3, 2016.[Photo/Xinhua]

Visitors take photos in front of a booth during the China (Xiamen) International Internet of Things Expo and Forum 2016 in Xiamen, southeast China’s Fujian province, June 3, 2016.[Photo/Xinhua]

Photo taken on June 3, 2016 shows a model of intelligent cloud parking system during the China (Xiamen) International Internet of Things Expo and Forum 2016 in Xiamen, southeast China’s Fujian province, June 3, 2016.[Photo/Xinhua]

An educational robot performs during the China (Xiamen) International Internet of Things Expo and Forum 2016 in Xiamen, southeast China’s Fujian province, June 3, 2016.[Photo/Xinhua]