Zhuang Rongwen (fourth left), deputy head of the Cyberspace Administration of China (CAC), Lin Nianxiu (fourth right), deputy director of China's National Development and Reform Commission and other guests launch the "The belt and Road" digital economy international cooperation initiative during the 4th World Internet Conference in Wuzhen, East China's Zhejiang province, Dec 3, 2017. [Photo by Zhu Xingxin/chinadaily.com.cn]