MegaBuilds on MSN
Discover the secrets of building an underwater tunnel
This video explores the construction of the Fehmarnbelt Tunnel, an 18 km long underwater tunnel in the Baltic Sea that has ...
Interesting Engineering on MSN
China turns buried $50m tunnel machine failure into landmark feat of precision engineering
Here's how Chinese engineers rescued a failed tunnel boring machine by guiding a second one to meet it under a river.
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