File photo taken on Feb. 8, 2017 shows tourists watching the Palace Museum at Jingshan Park in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Li Xin)
File photo taken on April 21, 2017 shows the scenery of the county seat of Xiongxian, north China's Hebei Province. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Yang Shiyao)
Combined file photo taken on Sept. 5, 2017 (lower) shows the Dazhiqiao Hutong in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua)
File photo taken on May 19, 2016 shows a makers' center in north China's Tianjin. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Li Hongguang)
File photo taken on Sept. 18, 2017 shows the terminal of Beijing's new international airport under construction in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Ju Huanzong)
File photo taken on Sept. 30, 2017 shows the lottery ceremony of qualification of purchasing the Beijing's first joint ownership homes in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Luo Xiaoguang)
File photo taken on April 13, 2017 shows the classified trash bins in a residential community of Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Li Xin)
File photo taken on Nov. 22, 2016 shows Yuhe section of Tonghui River in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Luo Xiaoguang)
File photo taken on July 19, 2017 shows Zhongguancun Innovation Street in the Haidian District of Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Ju Huanzong)
File photo taken on May 11, 2016 shows a manufacturing workshop of Beijing Automotive Group in Huanghua, north China's Hebei Province. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Mu Yu)
File photo taken on Nov. 22, 2016 shows a nursing home for seniors in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Li Xin)
File photo taken on Oct. 6, 2017 shows tourists visit Yuer Hutong in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Ju Huanzong)
File photo taken on May 14, 2017 shows the central business district in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Chen Jianli)
File photo taken on Sept. 11, 2017 shows a construction site of the capital's subsidiary administrative center in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Luo Xiaoguang)
File photo shows a scene of China Huaneng Group's Beijing Thermal Power Plant in Chaoyang District of Beijing, capital of China. The last coal-fired power plant in Beijing finished operation on March 18, 2017. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Zhang Chenlin)
File photo taken on Aug. 26, 2017 shows the 24th Beijing International Book Fair in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Zhang Chenlin)
File photo taken on Feb. 28, 2017 shows a resettlement community for the old city protection project in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Luo Xiaoguang)
File photo taken on Aug. 8, 2015 shows a lecture on intangible cultural heritage held in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Zhang Xu)
File photo taken on Sept. 5, 2017 shows Sanlihe area in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Li Xin)
File photo taken on March 12, 2017 shows a tourist taking photos of magnolia flowers along the Changan Avenue in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Luo Xiaoguang)
File photo taken on Feb. 28, 2017 shows a train running through a field of flowers near the Juyongguan Pass of the Great Wall in Beijing, capital of China. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Ju Huanzong)
File photo taken on June 27, 2017 shows the construction site of Guanting Reservoir grand bridge, a section of the Beijing-Zhangjiakou high-speed railway line. Beijing witnesses a great change in the past five years and the city will keep focusing on the coordinated development in Beijing, Tianjin and Hebei regions and objective of removing non-capital functions. (Xinhua/Yang Shiyao)
