![Photo taken on May 30, 2019 shows the construction site of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China\'s Hebei Province. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)](http://www.ecns.cn/hd/2019/05/31/b65c62c2fcbf4350a18d86daae688921.jpg)
Photo taken on May 30, 2019 shows the construction site of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China's Hebei Province. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)
![Photo taken on May 30, 2019 shows the construction site of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China\'s Hebei Province. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)](http://www.ecns.cn/hd/2019/05/31/e60326f381da4d61b95d367a459fd2e4.jpg)
Photo taken on May 30, 2019 shows the construction site of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China's Hebei Province. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)
![Photo taken on May 30, 2019 shows the model of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China\'s Hebei Province. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)](http://www.ecns.cn/hd/2019/05/31/2bc8ba6b555247ac82998b295ebe2621.jpg)
Photo taken on May 30, 2019 shows the model of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China's Hebei Province. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)
![Workers are seen at the construction site of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China\'s Hebei Province, May 30, 2019. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)](http://www.ecns.cn/hd/2019/05/31/d9be5ff09f654d14a90c31ae94fbe422.jpg)
Workers are seen at the construction site of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China's Hebei Province, May 30, 2019. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)
![Photo taken on May 30, 2019 shows the construction site of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China\'s Hebei Province. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)](http://www.ecns.cn/hd/2019/05/31/20686de3701e42538af17667cd23bcff.jpg)
Photo taken on May 30, 2019 shows the construction site of the Zhangjiakou Station of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, north China's Hebei Province. The main structure of the Zhangjiakou Station has been basically completed. (Xinhua/Xing Guangli)