Incredible tunnel engineering! | HS2 Bromford Tunnel

You can support me over on Patreon:   / chris_rail_focus   Or by joining Youtube:    / @rail_focus   alternatively if you'd like to buy me a coffee you can do so on my Ko-Fi page: https://ko-fi.com/rail_focus or by making a purchase on my Redbubble photography page: Prints, Mugs, T-shirts and much more: https://www.redbubble.com/people/EngP... Blog: https://engineeringfocusblog.blogspot... Twitter:   / engfocus   BlueSky: https://bsky.app/profile/railfocus.bs... Facebook   / engineeringfocus   Instagram: www.instagram.com/engfocus With the HS2 Bromford Tunnel in Birmingham now at the half way point I thought I'd explain in detail how the HS2 tunnels are being constructed. #HS2 #Bromford #Birmingham