Tired trackwalkers sleep in this room. With heavy equipment and tools on shoulders, they take responsibility of checking and repairing the rails, ensuring safety and eliminating dangerous cases. (CNS/Zhang Hao)
Yunnan-Vietnam railway refers to the railway from Kunming city, southwest China's Yunnan province to Haiphong Port of Vietnam, which is 854 kilometers long. It was built in 1903 and went into service in 1910.