6. The Channel Tunnel
The Channel Tunnel
The Channel Tunnel is the longest tunnel with an undersea section in the world. The length of the Channel Tunnel is 32.4 miles and links Folkestone, England to Coquelles, France. The tunnel itself was bored through a chalk marl stratum which was deemed a good material for tunneling as it is both strong and easy to excavate. The actual tunnel consists of three separate tunnels connected together by cross-passage links. Construction of the tunnel began in 1988 and opened in 1994 and has been rated as one of the Seven Wonders of the Modern World by the American Society of Civil Engineers.
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.