Tanna Tunnel was created in 1934.
Tanna - island - was created in 1980.
Tanna Ground Dove was created in 1844.
The population of Tanna - island - is 20,000.
Milford Tunnel was created in 1839.
Am Tunnel was created in 1993.
The area of Tanna - island - is 550 square kilometers.
Mount Victoria Tunnel was created in 1931.
Sideling Hill Tunnel was created in 1940.
Cascade Tunnel was created in 1900.
Hægebostad Tunnel was created in 1943.
Yamate Tunnel was created in 2007.
Karisaka Tunnel was created in 1998.