Visitors look at a coffee brewing robot during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. The expo opened in Guiyang Saturday, attracting over 40,000 participants from nearly 30 countries. (Photo/Xinhua)
A visitor experiences virtual reality driving during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
Visitors look at an unmanned aerial vehicle of JD.com during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
Exhibitors show a big data visual analysis decision platform during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
Visitors look at a driverless car during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
A visitor experiences a virtual fitting equipment of Alibaba during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018.(Photo/Xinhua)
Visitors view a city internet safety operation center during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
An engineer introduces an unmanned intelligent factory during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
Visitors view an expressway mobile payment system during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
Visitors watch robot dancing during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
Visitors view an intelligent traffic platform during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018.(Photo/Xinhua)
An exhibitor shows the 5G remote self-driving technology during the 2018 China international big data industry expo in Guiyang, Southwest China's Guizhou province, May 26, 2018. (Photo/Xinhua)
