Interesting facts While urban tunnels remain hidden for years beneath large cities, in London a giant tunnel boring machine called Sushila dug 8 km, completed 5 miles in the HS2 project, and then needed to be hoisted whole by a crane in a rare operation. Flavia Marinho 18/05/2026 at 19:12
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
Interesting facts Bringing Life to The Subterranean World, ‘Monster’ Machine Capable of Moving 15 Meters Per Day Underground Installs Concrete Rings and Digs Tunnels with Robotic Arms and Rock-Crushing Blades. Alisson Ficher 19/01/2026 at 18:31
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