Science and Technology Denmark begins to sink 89 giant concrete blocks, 217 meters long and weighing 73.5 thousand tons, into the Baltic Sea to build the world’s longest immersed tunnel and connect the country to Germany in 10 minutes by car. Carla Teles 07/05/2026 at 11:45
Interesting facts Belgium transported 8 concrete blocks weighing 60,000 tons over 100 kilometers to sink them under a river and close the Antwerp ring road; the operation creates a 1.8 km immersed tunnel with a bike path and targets one of Europe’s biggest logistical bottlenecks. Alisson Ficher 01/05/2026 at 18:05
Science and Technology This Will Be The World’s Largest Undersea Tunnel: 18 km Under The Sea Connecting Denmark and Germany, 73,000-Ton Blocks Precisely Fitted, €7.5 Billion Investment, and Crossing Reduced to 7 Minutes Alisson Ficher 12/02/2026 at 17:48
Construction Senate Approves $90 Million Loan to Realize Immersed Tunnel Between Itajaí and Navegantes, A Promise That Could Eliminate Ferries, Shorten Exhausting Daily Commute, and Become a Symbol of Mobility at the Mouth of the Itajaí River Bruno Teles 18/12/2025 at 15:26
Interesting facts $41 Billion Underwater Tunnel in ‘Puzzle’ Shape Will Connect Two Countries in 10 Minutes Alisson Ficher 30/10/2025 at 21:00
Interesting facts R$ 6 Billion, 1.5 Km, and 3 Minutes: Brazil’s First Underwater Tunnel Will Be Assembled with Floating and Sinking Blocks in Technique Never Used Before in the Country to Connect Santos and Guarujá Alisson Ficher 03/09/2025 at 15:38
Construction Underwater Tunnel Project from Itajaí to Navegantes Promises to Revolutionize Regional Infrastructure with 900 Meters in Length Bruno Teles 23/09/2024 at 21:23
