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Africa’s Violent Volcanoes
How Africa’s volcanoes are formed and what makes them erupt. Martin Redfern from the ÃÛÑ¿´«Ã½ Science Unit looks for lava hot spots beneath the Earth’s crust.
Also on the programme: why do we have two eyes?
ÃÛÑ¿´«Ã½ World Service Archive
This programme was restored as part of the World Service archive project
