Category
page 1Water tunnels
Hezekiah's Tunnel
Ancient underground water tunnel in Jerusalem
tunnel of Eupalinos
ancient tunnel in the isle of Samos
Päijänne Water Tunnel
120-kilometre water tunnel in Southern Finland
G-Cans Tunnel
tunnel in Japan
SMART Tunnel
storm drainage and road tunnel in Kuala Lumpur
Vespasian Titus Tunnel
ancient water tunnel situated in Turkey
Limón Dam
Warren's Shaft
archaeological site in Israel
Suruç Water Tunnel
Irrigation tunnel in Turkey
Orange–Fish River Tunnel
Irrigation tunnel in South Africa