Spiral Tunnel
On the rail line north from Domodossola prior to the Simplon tunnels is the 2968 metre "Varzo Spiral Tunnel," probably the longest spiral tunnel in the world. See the route diagram at the start of this subject.
Read more about this topic: Simplon Tunnel
Famous quotes containing the words spiral and/or tunnel:
“The spiral is a spiritualized circle. In the spiral form, the circle, uncoiled, unwound, has ceased to be vicious; it has been set free.”
—Vladimir Nabokov (1899–1977)
“The only way to find out anything about what kinds of lives people led in any given period is to tunnel into their records and to let them speak for themselves.”
—John Dos Passos (1896–1970)