Horizon: The Core

BBC FOUR

Wednesday 25 January 2017  20:00 - 21:00 (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) Wednesday 25 January 2017 20:00 - 21:00