Modern Marvels

The Chunnel (7x3)

Data di messa in onda: Gen 11, 2000

The job of joining Britain and France via a tunnel under the English Channel was a challenge. Geologists tracked the only safe route with satellite technology, and French and British teams drilled towards each other using two of the largest Tunnel Boring Machines ever made. We'll explore the greatest underwater land-link of all time.