Horizon: The Core

BBC FOUR

Thursday 26 January 2017  02:00 - 03:00 (60 mins)
4/15. For centuries people have dreamt of reaching the centre of the Earth. Now scientists are uncovering a bizarre and alien world that lies 4,000 miles beneath our feet. Also in HD. [S]

Horizon: The Core may be available on playback
Horizon: The Core (BBC FOUR) Thursday 26 January 2017 02:00 - 03:00