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China completes excavation of its longest undersea highway tunnel

Original: China's longest undersea highway tunnel completed all shield-driven excavation work on Friday as a shield machine reache

China's longest undersea highway tunnel finished all shield-driven excavation work on Friday after a tunnel-boring machine reached its designated position 105 meters beneath the sea surface in Jiaozhou Bay, Shandong Province, according to China Railway. The project is being highlighted as a major engineering milestone for undersea infrastructure in eastern China.

Why now: The tunnel reached a major construction milestone, drawing attention to China's large-scale infrastructure achievements.

China RailwayJiaozhou BayShandong ProvinceChina

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• China's longest undersea highway tunnel completed all shield-driven excavation work on Friday as a shield machine reached its designated position at a depth of 105 meters beneath the sea surface in Jiaozhou Bay, eastern China's Shandong Province, according to China Railway · XHNews · 23

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