Combination aerial photo shows the view of Baidu's cloud computing center (above) at the economic and technological development zone in Yangquan, north China's Shanxi Province, taken by Yang Chenguang on April 16, 2019, and the Xinjing coal mine (below, file photo) of the Yangquan Coal Industry (Group) Co., Ltd. in Yangquan, on Sept. 22, 2011. Yangquan has been transforming from a coal-dependent city to a city applying new technologies of Big Data and information services to various aspects of social life and developments. From harboring Baidu's cloud computing center, to taking advantages of various apps and platforms to collect citizen's concerns, supply public information, and monitor production safety, etc., Yangquan has become a new smart city featuring artificial intelligence. (Xinhua)