Deep under the Yangtze River, a stranded tunnel boring machine that looked like a sunk cost has instead become a showcase of ...

This photo taken on Jan. 9, 2026 shows the tunnel boring machine "Xi Wang" in Shanghai, east China. The "Xi Yi" and "Xi Wang" ...

Linghang, better known as the world’s largest-diameter high-speed railway shield tunneling machine, crossed the 6.2-mile (10,000-meter) tunneling milestone on Tuesday, as reported by the China Media ...