How They Built the World’s Longest Undersea Tunnel
engineering | learning | teded | tunnels | November 7, 2021
Spanning 23 miles, the English Channel Tunnel has the longest undersea section of any tunnel. TED-Ed’s Alex Gendler takes a look at the political and logistical challenges and engineering feats that led to the construction of the tunnel between 1988 and 1994.
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