Horizon

BBC FOUR

Sunday 31 March 2019  20:35 - 20:45 (10 mins)
Horizon follows an international team of volcanologists in Iceland as they draw fascinating parallels between the volcanoes on Earth and those elsewhere in the solar system. [S]

Horizon may be available on playback
Horizon (BBC FOUR) Sunday 31 March 2019 20:35 - 20:45