Fred Mills takes his deepest dive yet into one of the world's biggest megabuilds. Download the Straight Arrow News app by clicking here to stay informed with unbiased, straight facts 🙌 Full story here - Additional footage and images courtesy of Tunnel Euralpin Lyon Turin (TELT), Euronews, No Comment and VOA. 00:00 Intro 01:16 The Lyon-Turin Route 03:38 The Base Tunnel 05:40 Drill and Blast 07:48 Reinforcement 10:44 The New Railway 12:47 Tunnel Boring Machine 16:48 The Geology 18:07 The Cathedral 21:13 Ventilation 22:53 Opposition and Cost 24:16 Remaining Work 26:10 Conclusion For more by The B1M subscribe now - We're raising awareness of construction's mental health crisis through our Get Construction Talking initiative. There’s a video series on our channel and you can find support or donate at - Follow Get Construction Talking Instagram - X - LinkedIn - Listen to The World's Best Construction Podcast by The B1M Apple - Spotify - Amazon Music - View this video and more at - Follow us on X - Like us on Facebook - Follow us on TikTok - @theb1m/ Follow us on LinkedIn - Follow us on Instagram - Follow us on Threads - @theb1m The B1M Merch store - #construction #architecture #engineering We welcome you sharing our content to inspire others, but please be nice and play by our rules - Our content may only be embedded onto third party websites by arrangement. We have established partnerships with domains to share our content and help it reach a wider audience. If you are interested in partnering with us please contact Video@ . Ripping and/or editing this video is illegal and will result in legal action. © 2025 The B1M Limited