It's not rocket science -CHANNEL TUNNEL

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C'est pas sorcier

Published on May 29, 2013
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The official channel of the France 3 show. C'est pas sorcier, the magazine of discovery and science. Two centuries ago, the idea of ​​building a permanent link between France and Great Britain was born. A first drilling attempt was launched in 1880 then abandoned two years later under pressure from the English who began to fear hypothetical invasions... It was not until 1986 that the two countries finally agreed and the construction of the tunnel was definitively implemented. Fred, Jamy and Sabine explain everything about the construction and operation of the Channel Tunnel. Why was the tunnel built? How was its location chosen? Why was the blue chalk layer drilled rather than the clay part? How do trains run under the tunnel? How can trains be diverted from one tunnel to another? How are collisions avoided? How do you ensure ventilation on a daily basis and what do you do in the event of a fire to prevent smoke from spreading?

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