VR, robots, mini drones: Highlights of big data expo in Guiyang
Updated: 2016-05-26 13:21
(chinadaily.com.cn)
Visitors look at a mini drone that can fit into a pocket during the ongoing Big Data Expo 2016 in Guiyang, capital of Southwest China's Guizhou province, May 25, 2016. [Photo/Xinhua]