Interesting facts With 123 km under the ocean, real-time seismic sensors, and travel at 250 km/h, China’s billion-dollar megaproject promises to transform 8-hour crossings into journeys of just 40 minutes without changing carriages. Alisson Ficher 06/05/2026 at 20:51
Science and Technology China Begins Construction Of The World’s Largest High-Speed Underwater Train: Tunnel Will Have 123 Km Under The Sea, Connect Two Continents In 40 Minutes, Cost $36 Billion, And Face Seismic Zones With Cutting-Edge Engineering Alisson Ficher 26/11/2025 at 14:50
