Longtou Village Tunnel in the Dali Section of the second phase of the central Yunnan water diversion project, constructed by the China Railway Tunnel Bureau, was successfully completed 188 days ahead of schedule.
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cover tunnel photo by: Matt Brown from London, England / CC BY
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滇中引水二期配套工程大理段龍頭村隧洞貫通_新華網
big5.news.cn滇中引水二期配套工程大理段龍頭村隧洞貫通-12月11日,由中鐵隧道局承建的滇中引水二期配套工程大理段龍頭村隧洞提前188天順利貫通。該隧洞為大理施工段首座貫通的千米隧洞。