tunel

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

Drone enters through a hidden tunnel on the Rodovia dos Imigrantes, reveals a waterfall surrounded by abysses in the Serra do Mar, and shows the paradise that almost no one imagines exists next to the highway.

Carla Teles 04/05/2026 at 15:10

Construction

Lesotho activates a giant 423-meter tunnel boring machine to accelerate the 38 km tunnel between Polihali and Katse, while the dam already exceeds 7.7 million m³ of rockfill and advances to strengthen water and energy in Southern Africa.

Carla Teles 26/04/2026 at 19:04

Economy

Stored for over 100 years, the first underwater tunnel in Latin America receives a decisive boost with a loan of R$ 2.5 billion signed in April and promises to connect Santos and Guarujá, on the coast of São Paulo, in just 5 minutes.

Noel Budeguer 17/04/2026 at 21:08

Construction

The Largest Tunnel Boring Machine in Brazil Has a Diameter of 10.61 Meters, Weighs 2,000 Tons, and Digs Underground in São Paulo for the Orange Line 6

Maria Heloisa Barbosa Borges 06/07/2025 at 17:52