Tunnels in the Bible

       The word Tunnel or Tunnels is not mentioned in The King James Bible. However 2 Kings 20:20 talks about how Hezekiah made a made a pool, and a conduit, and brought water into the city. That Conduit is called The Siloam Tunnel or Hezekiah's Tunnel which is a water tunnel that was carved underneath the City of David in Jerusalem in ancient times.