Miles of secret tunnels are hidden under Dover's white cliffs, and we're burrowing away in there with English Heritage

today filming at Kent's most haunted castle.  Dover Castle is teaming with ghosts with absent faces, missing heads and one is just a pair of legs.  This particular tunnel beneath the Anglo Saxon site was transformed into a repeater station when the tunnels were used by Winston Churchill as a command centre during WWII.  The cast of spectres is immense so it's anyone's guess who'll emerge from the misty corridors.  Tonight, Matthew....