Channel Tunnel The project was abandoned in May 1882, owing to British political and press campaigns asserting that a tunnel would compromise Britain's national defences. These early works were encountered more than a century later during the TML project. A 1907 film, "Tunnelling the English Channel" by pioneer filmmaker Georges Méliès, depicts King Edward VII and President Armand Fallières dreaming of building a tunnel under the English Channel. In 1919, during the Paris Peace Conference, the British prime minister, David Lloyd George, repeatedly brought up the idea of a Channel tunnel as a way of reassuring France about British willingness to defend
Channel Tunnel at the English portal, caused concerns. Identified by the 1964–65 geophysical survey, the Fosse Dangaered is an infilled valley system extending below the seabed, south of the tunnel route in mid-channel. A 1986 survey showed that a tributary crossed the path of the tunnel, and so the tunnel route was made as far north and deep as possible. The English terminal had to be located in the Castle Hill landslip, which consists of displaced and tipping blocks of lower chalk, glauconitic marl and gault debris. Thus the area was stabilised by buttressing and inserting drainage adits. The service tunnel acted