Highlights of 2018 China int'l big data industry expo

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. The expo opened in Guiyang Saturday, attracting over 40,000 participants from nearly 30 countries. (Xinhua/Tao Liang)