Metro Tunnel Q&A with tunnelling expert Paul Thomas
28:13
Tour the eastern tunnel entrance of the Metro Tunnel
20:02
Eppenberg SBB Railway Tunnel - From installation to the breakthrough
43:43
Quantensprung - Tunnelbau (ORF III)
12:04
Belchentunnel (Schweiz) – Projektfilm
5:29
KAMY EBZ90 Roadheader
9:26
Could Melbourne be getting a second Metro Tunnel?
44:02
National Geographic Megastructures MRT Malaysia Urban Diggers
3:36