Two huge drilling machines were used. One started in France and drilled towards the English coast and the other started on the English side and drilled towards France. They met in the middle and were only a few centimetres wrong with their calculations.
That would be the, "Chunnel", a tunnel that was constructed under the ocean between England and France.
The channel tunnel
No-one calls it the chunnel, that was just a newspaper headline in the 1970s.The Channel Tunnel passes under the English channel, or la Manche, between Folkestone and Calais.
There is no such thing as the "English chunnel" - indeed there is no such thing as a "chunnel". The term however, was coined from the term "Channel Tunnel" where it became the pseudonym "Chunnel" The English Channel which is itself a body of water separating Britain from France. There is the Channel Tunnel, which is a rail tunnel that goes UNDER (not though) the English Channel and links Britain to France.
The Chunnel is an out-of-date name for the Channel Tunnel.
The chunnel comes out in Coquelles, a village near Calais.
The chunnel (actually the Channel Tunnel) connects England to France.
The Chunnel is a name that was sometimes used for the Channel Tunnel before it was built.
nothing
The Chunnel was excavated into chalk by the tunnel boring machines then was reinforced with concrete.
The Chunnel runs underneath the English Channel, connecting England and France.
Mid Ocean Ridge