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
Interesting facts Beneath The Illuminated Asphalt: How Residents Live In The Drainage Tunnels Under Las Vegas And Build A Routine Out Of The City’s Sight Caio Aviz 16/01/2026 at 17:52
Construction World’s Largest Underground Project Is in Brazil: Tunnels, Subways, Retention Basins, and Secret Networks Are Being Dug in São Paulo, Creating an Invisible Parallel City That Is Expected to Revolutionize Life for Millions by 2028 Alisson Ficher 31/12/2025 at 00:42
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