Distribution of water and compressed air in the channel tunnel England–France The successful attempt to tunnel under the channel had its roots in the abandonment of the 1974 scheme. After the announcement that the 1973 treaty with France would not be ratified by the British government, it was accepted that the tunnel would not be built. However, three British companies, Balfour Beatty, Edmund Nuttall and Taylor Woodrow, rather surprisingly and on

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