The form system incorporates two halves that bolt together to create a 35-foot long by six-foot wide by 10-foot high tunnel allowing the construction of horizontal and vertical elements ...
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The world's highest tunnel known as the 'Wind Volcano' sits at an incredible 16,000ftIts construction is a feat of both engineering ... Opened in 2006, the tunnel forms an integral part of the high-altitude railway line stretching from Xining in Qinghai province to Lhasa, the ...
The Tokyo District Court is ordering a partial halt to the construction of an underground tunnel, which caused a large sinkhole to form in Chofu city, because it poses a danger to nearby residents.
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