Fire in the Hole: The 2008 Channel Tunnel (France/England) Train Fire
<p>The Channel Tunnel (also referred to as “Chunnel” on occasion) is a 50.46km/31.35mi railway tunnel connecting England and France beneath the ground of the English Channel at the Strait of Dover. Opening in 1994, over 190 years after the idea was first proposed, the tunnel consists of two single-track tubes dug beneath the seabed along with a service/evacuation tunnel between them measuring 4.8m/16ft in diameter. The three tubes are connected by several access passages along with 2m/7ft wide piston relief ducts, inaccessible ventilation shafts designed to handle the change in air pressure when trains move through the outer tunnels and act like pistons in an air pump.</p>
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