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