Photo story: Beijing witnesses great change in past five years

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)