Interesting Engineering on MSN
World’s longest expressway tunnel opens in China at an altitude of 9,842 feet
China built the world's longest expressway tunnel using innovative approaches and cut down travel time in half between two ...
According to China's state news agency Xinhua, its construction was an extremely difficult task due to the challenging ...
Morning Overview on MSN
China opens a record expressway tunnel nearly 10,000 ft above sea level
High in the heart of Central Asia’s mountains, China has opened a record breaking expressway tunnel that carries traffic ...
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