Summary：Photo taken on April 16, 2019 shows a train running on the Datong-Qinhuangdao railway after its overhaul. The 65...

Photo taken on April 16, 2019 shows a train running on the Datong-Qinhuangdao railway after its overhaul. The 653-km Datong-Qinhuangdao railway, which links the city of Datong in coal-rich Shanxi Province with the port city of Qinhuangdao of north China's Hebei Province, is an artery of China's coal transportation. It is ususally overhauled respectively in spring and autumn. During the overhaul time, the railway stops its service three hours a day so that construction workers are able to alter damaged rails, clean rail beds and clear silt. (Photo:Xinhua)

 

Construction workers fix the steel rails at the Datong section of the Datong-Qinhuangdao railway in north China's Shanxi Province, April 16, 2019. The 653-km Datong-Qinhuangdao railway, which links the city of Datong in coal-rich Shanxi Province with the port city of Qinhuangdao of north China's Hebei Province, is an artery of China's coal transportation. It is ususally overhauled respectively in spring and autumn. During the overhaul time, the railway stops its service three hours a day so that construction workers are able to alter damaged rails, clean rail beds and clear silt. (Photo:Xinhua)

 

A machine clears silt on the Datong-Qinhuangdao railway in Datong, north China's Shanxi Province, April 9, 2019. The 653-km Datong-Qinhuangdao railway, which links the city of Datong in coal-rich Shanxi Province with the port city of Qinhuangdao of north China's Hebei Province, is an artery of China's coal transportation. It is ususally overhauled respectively in spring and autumn. During the overhaul time, the railway stops its service three hours a day so that construction workers are able to alter damaged rails, clean rail beds and clear silt. (Photo:Xinhua)

 

Aerial photo shows construction workers replacing the rail bearing at the Datong section of the Datong-Qinhuangdao railway in north China's Shanxi Province, April 9, 2019. The 653-km Datong-Qinhuangdao railway, which links the city of Datong in coal-rich Shanxi Province with the port city of Qinhuangdao of north China's Hebei Province, is an artery of China's coal transportation. It is ususally overhauled respectively in spring and autumn. During the overhaul time, the railway stops its service three hours a day so that construction workers are able to alter damaged rails, clean rail beds and clear silt. (Photo:Xinhua)

 

Aerial photo taken on April 16, 2019 shows a train running on the Datong-Qinhuangdao railway after its overhaul. The 653-km Datong-Qinhuangdao railway, which links the city of Datong in coal-rich Shanxi Province with the port city of Qinhuangdao of north China's Hebei Province, is an artery of China's coal transportation. It is ususally overhauled respectively in spring and autumn. During the overhaul time, the railway stops its service three hours a day so that construction workers are able to alter damaged rails, clean rail beds and clear silt. (Photo:Xinhua)

 

Construction workers fix the steel rails at the Datong section of the Datong-Qinhuangdao railway in north China's Shanxi Province, April 16, 2019. The 653-km Datong-Qinhuangdao railway, which links the city of Datong in coal-rich Shanxi Province with the port city of Qinhuangdao of north China's Hebei Province, is an artery of China's coal transportation. It is ususally overhauled respectively in spring and autumn. During the overhaul time, the railway stops its service three hours a day so that construction workers are able to alter damaged rails, clean rail beds and clear silt. (Photo:Xinhua)

 

Aerial photo shows construction workers checking the steel rails at the Datong section of the Datong-Qinhuangdao railway in north China's Shanxi Province, April 16, 2019. The 653-km Datong-Qinhuangdao railway, which links the city of Datong in coal-rich Shanxi Province with the port city of Qinhuangdao of north China's Hebei Province, is an artery of China's coal transportation. It is ususally overhauled respectively in spring and autumn. During the overhaul time, the railway stops its service three hours a day so that construction workers are able to alter damaged rails, clean rail beds and clear silt. (Photo:Xinhua)