Workers work at a construction site of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, North China’s Hebei province, June 11, 2018. The railway, connecting China’s capital Beijing and Zhangjiakou of North China’s Hebei province, is designed at a speed of 350 kilometers per hour and is expected to be put into use at the end of 2019. [Photo/Xinhua]
Workers work at a construction site of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, North China’s Hebei province, June 11, 2018.[Photo/Xinhua]
Workers work at a construction site of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, North China’s Hebei province, June 11, 2018. [Photo/Xinhua]
Workers work at a construction site of the Beijing-Zhangjiakou high-speed railway in Zhangjiakou, North China’s Hebei province, June 10, 2018. [Photo/Xinhua]
