Breakthrough of tunnel boring machine at Nedre Røssåga

The ULTIMATE look at Bertha’s breakthrough

Statens vegvesen - Tunneldrift

Mittlagan - mer el från vattenkraft i södra Sverige

Tunnel boring machine Bella breakthrough

Inside Virginia’s $4 Billion Tunneling Megaproject!

Что такое тоннелепроходческий комбайн (ТБМ)?

EPB Shield Segmental Lining

Eppenberg SBB Railway Tunnel - From installation to the breakthrough

The Monstrous Machines That Drill Underwater Tunnels

Meet Crossrail's giant tunnelling machines

Inside Norway's $47 Billion Floating Highway

Tunneldriving Brokke Nord

Breakthrough of 774 TBM (VD converted to EPB) into Pudu Launch Shaft, 17 Oct 2014

Homemade Digging Chain Mechanism

Gripper TBM

Double-breakthrough: tunnel boring machines (TBMs) emerge at Five Dock Metro Station site.

Секретная машина Китая! Они бурят гору за один день!

Nedre Røssåga kraftstasjon – klar for 50 nye år

Take a tour inside an HS2 Tunnel Boring Machine

Конец Китая? Почему экономика №2 рухнет