Aerial view of Huailai Station of Beijing-Zhangjiakou railway in Hebei

Aerial photo taken on May 28, 2019 shows the Huailai Station of the Beijing-Zhangjiakou railway in Huailai County of Zhangjiakou City, north China's Hebei Province. The main project construction of the Huailai Station has come to an end recently. (Xinhua/Xing Guangli)