Builders of China Railway 14th Bureau Group work on the construction site of the Qinghuayuan tunnel on the Beijing-Zhangjiakou high-speed railway line in Zhangjiakou, North China’s Hebei province, May 6, 2019. At present, the Qinghuayuan tunnel on the Beijing-Zhangjiakou high-speed railway line is ready for laying tracks. The 174-km-long railway, connecting China’s capital Beijing and Zhangjiakou of North China’s Hebei Province, is a major transportation project for the 2022 Winter Olympic Games.[Photo/Xinhua]
A builder of China Railway 14th Bureau Group works on the construction site of the Qinghuayuan tunnel on the Beijing-Zhangjiakou high-speed railway line in Zhangjiakou, North China’s Hebei province, May 6, 2019.[Photo/Xinhua]
A builder of China Railway 14th Bureau Group works on the construction site of the Qinghuayuan tunnel on the Beijing-Zhangjiakou high-speed railway line in Zhangjiakou, North China’s Hebei province, May 6, 2019. [Photo/Xinhua]
