tunnel
underground passageway
Simcoe Street Tunnel
Road tunnel in Toronto, Ontario, Canada
supply tunnel
tunnel non pubblico per la fornitura e la rimozione di supporti o traffico veicolare
water tunnel
tunnel (below-ground channels) used to transport water
Pearl River Tunnel
road tunnel in China
Klauser Tunnels
tunnels in Austria
Park Tunnel
historic carriage tunnel in Nottingham
Woodsmith Mine Tunnel
tunnel in North Yorkshire, England
Kitakyushu tunnel
railway tunnel in Kyushu, Japan
Humber Gas Tunnel
natural gas pipeline tunnel in Northern England
secret passage
hidden routes used for stealthy travel, escape, or movement of people and goods
railway tunnel
tunnel built for rail traffic
Jefferies tube
fictional part of Star Trek spaceships
Anchor telephone exchange
underground, hardened telephone exchange in Birmingham
Clarence Tunnel
railway tunnel in New South Wales, Australia
Kai Tak Tunnel
tunnel in Hong Kong
Lowell Creek Diversion Tunnel
diversion tunnel in Seward, Alaska
Lowry Hill Tunnel
Tunnel in Minneapolis, Minnesota
Lee Tunnel
Sewer tunnel in London
Oneida Number Three Tunnel
mine tunnel in Schuylkill County, Pennsylvania
Vespasian Titus Tunnel
ancient water tunnel situated in Turkey
glacier tunnel
is a tunnel that leads under a glacier
Westpac Walk
Pedestrian walkway in Sidney
pedestrian tunnel
tunnel for pedestrians
Johanna-Tunnel
road tunnel in Klosterneuburg, Austria
Marine Drive Tunnel
road tunnel in Sri Lanka
Fillmore Street Tunnel
proposed San Francisco streetcar tunnel