Interesting Engineering on MSN

China: World’s largest-diameter boring machine reaches 6-mile tunneling milestone

The world’s largest-diameter shield tunneling machine passes the 10,000-meter mark, setting a major milestone in underground ...
China Daily Global Edition

Shield machine achieves Yangtze tunnel milestone

The world's largest-diameter shield machine for constructing high-speed railway tunnels, independently developed by China, ...
China Daily Global Edition

World's largest high-speed-rail tunneling machine passes 10,000 meters beneath Yangtze

BEIJING -- China's domestically developed, world's largest-diameter high-speed-rail shield tunneling machine "Linghang" ...
Gothamist

Gateway buys boring machines to dig into the Palisades for new Hudson River tunnel

The boring machines were manufactured in Germany for just one of 10 sections that make up the $16 billion Gateway project to build a new tube for Amtrak and NJ Transit trains into Penn Station. The ...