Aerial photo taken on Nov. 27, 2019 shows the Donghuayuanbei Station along the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China's Hebei Province. The construction of the stations along the Beijing-Zhangjiakou high-speed railway are expected to be completed soon, laying a foundation for trial operations. (Xinhua/Xing Guangli)