Constructors celebrate cutting through the Gantas railway tunnel in Algeria, Oct. 30, 2017. (Photo courtesy of China Railway Construction Corporation)
(ECNS) -- On Monday the China Railway Construction Corporation Limited finished cutting through the Gantas railway tunnel in Algeria, a major project in the country's railway network, after six years of construction work.
The tunnel is located 100 kilometers west of Algiers, capital of Algeria, and composed of two separate tubes at 7,346 meters long in one lane and 7,335 meters long in the other, each for just one track. A total length of 14.68 kilometers, it is the longest tunnel in North Africa.
Geological challenges posed by the expansive rocky terrain had to be overcome during the construction of the railway tunnel, according to the CRCC.
In a ceremony to mark the breakthr