10 Biggest Tunnel Boring Machines in the World

Giant tunnel boring machines used in the construction of roads or railways the largest tunnel boring machines for tunneling underground, under the river or under the sea Tunnel construction with giant machines, the best construction materials and the latest construction engineering or tunnel technology the biggest tunnel boring machine in the world building large tunnels for the transit of vehicles or trains types of TBMs, EPB Tunnel Boring Machines, closed shield TBM, simple shield TBM or mixed shield TBM Subscribe ► Thanks for watching the video | Top10 Files For any matter about this video, please contact at: t10ytcont@ 10. Dame Whina Cooper 9. Florence 8. La Tapatía