China-Laos railway drilling finished the Friendship Tunnel from northern Laos to the border line with China
China-Laos railway drilling finished the Friendship Tunnel from northern Laos to the border line with China China Railway No. 2 Engineering Group (CREC-2) told Xinhua that it has drilled through the Friendship Tunnel from northern Laos to the border line with China on Wednesday. After 37 months of hard work, the China-Laos Railway Friendship Tunnel, […]
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