Big Data Expo opens
chinadaily.com.cn |
Updated: 2017-05-25 17:12
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| Visitors interact with a VR camera at the big data expo in Guiyang, Southwest China's Guizhou province on May 25, 2017. By waving their hands, users can change the photo's background. [Photo by Zhang Jie/chinadaily.com.cn] |
