Aerial photo taken on April 8, 2018 shows a view of the Yangtze River and its green banks in Wanzhou District of Chongqing, southwest China. In November 2013, the 18th Central Committee of the Communist Party of China held its third plenary session to focus on comprehensively deepening reform. In the five years after the session, China's ecological civilization system has been rapidly taking shape and the ecological environment is significantly improved. (Xinhua/Liu Chan)