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Southeast Asia's longest road tunnel open in Việt Nam

    Nguyen Loi
    By Nguyen Loi Replies (2)

    Hai Van Tunnel 2 in central Vietnam has opened to traffic Monday after four years of construction.

    Road tunnel 6.2 kilometre long. It was constructed by Vietnamese techniques. It used blasting.

    https://e.vnexpress.net/news/news/southeast-asia-s-longest-road-tunnel-opens-4219260.html

     

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