![Security cameras are seen on a building at the Bund in front of the financial district of Pudong in Shanghai on March 6, 2015.](/sites/default/files/multimedia_images_2017/201711asia_china_bigdata.jpg)
Security cameras are seen on a building at the Bund in front of the financial district of Pudong in Shanghai on March 6, 2015.
© 2015 Reuters
Security cameras are seen on a building at the Bund in front of the financial district of Pudong in Shanghai on March 6, 2015.