Horizon: The Core

BBC FOUR

Thursday 9 February 2017  00:35 - 01:35 (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 9 February 2017 00:35 - 01:35