Watch This | Explore world's longest expressway tunnel: Drilling through Tianshan Mountains
The Tianshan Shengli Tunnel construction in China's Xinjiang overcame multiple challenges like extreme cold, low oxygen, geological faults, and high ground stress, highlighting engineers' resilience.
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Watch This | World's longest expressway tunnel opens in Xinjiang, China
Tai Lam Tunnel toll plan announced: HK$28 for taxis, maximum HK$45 for private cars
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