Construction of each station along Beijing-Zhangjiakou high-speed railway to be completed

Photo taken on Nov. 28, 2019 shows the navigation machine inside the Qinghe Station along the Beijing-Zhangjiakou high-speed railway in Beijing, capital of China. The construction of each station along the Beijing-Zhangjiakou high-speed railway is to be completed soon, following the operational test of each station. (Xinhua/Meng Tao)