![A man is pictured at the venue of China International Big Data Industry Expo in Guiyang, Guizhou province May 27, 2017.](/sites/default/files/multimedia_images_2018/201804asia_china_big_data.jpg)
A man is pictured at the venue of China International Big Data Industry Expo in Guiyang, Guizhou province May 27, 2017.
© 2017 Reuters/Stringer
A man is pictured at the venue of China International Big Data Industry Expo in Guiyang, Guizhou province May 27, 2017.