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 ...

China astonishes again; Opens world’s longest expressway tunnel with 1.1 km depth, passes through 16 geological fault zones, and many more features

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 ...