Many years ago, the English ฎษก with France, want to have a route to link together the two countries. The tunnel under the English channel is extremely challenging for train engineers. The tunnel must have a length 50 kilometers.But it is important to safe. Since the underwater tunnel is an accident in the tunnel to the disaster. So engineers created the emergency exits. The channel tunnel real al three both rail, one is the emergency exits.In 1987 both teams race to the top โมฃค์ plough is higher. They use huge machines called bereres can dig 75 meters per day in 1994 open to use, almost 13000 people work of this project. The train speed 160 miles per hour, it is possible to reach the destination, just 20 minutes.
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