Interesting facts In China, the world’s longest road tunnel is 22 km long, cuts through a mountain that has challenged engineers for 70 years, includes a 706 m ventilation tower, and reduces dangerous journeys from hours to just 20 minutes. Alisson Ficher 29/03/2026 at 14:38
Construction Norway Is Building the Longest and Deepest Road Tunnel in the World — An Underwater Project That Will Save 10 Hours of Travel with Over 392 Meters of Depth Valdemar Medeiros 20/05/2025 at 11:04
