China: Railway builders in SW China complete complicated tunnel 10 years on
...he Desheng tunnel was completed on May 11 after 10 years of construction, marking a breakthrough in the construction of the country's Sichuan-Qinghai Railway. https://news.cgtn...Intelligent Systems Employed in Constructing China's Deepest Undersea Tunnel
...la Tunnel, Dayaoshan Tunnel, Xi'an-Kangding Railway Qilian Tunnel, Qinghai-Tibet Railway Xin Guanjia Tun...la Tunnel, Dayaoshan Tunnel, Xi'an-Kangding Railway Qilian Tunnel, Qinghai-Tibet Railway Xin Guanjia Tun...Intelligent Systems Employed in Constructing China's Deepest Undersea Tunnel
...la Tunnel, Dayaoshan Tunnel, Xi'an-Kangding Railway Qilian Tunnel, Qinghai-Tibet Railway Xin Guanjia Tun...la Tunnel, Dayaoshan Tunnel, Xi'an-Kangding Railway Qilian Tunnel, Qinghai-Tibet Railway Xin Guanjia Tun...
cover tunnel photo by: Matt Brown from London, England / CC BY
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