Herculean construction effort sees breakthrough in Tianshan Mountains as 22-km route paves way for more convenient travel
Updated: 2025-02-08 10:18( China Daily )
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When the world's longest highway tunnel, the Tianshan Shengli Tunnel, was fully completed around 11 am on Dec 30, the builders celebrated the milestone moment. [Photo by WANG WEIWEI/FOR CHINA DAILY]