A look at some of the men who risk their lives for others.
One of the bravest lifesavers of all is Haroun Tazieff, the vulcanologist, who looks down into the mouths of volcanoes to see when they will erupt.
Introduced by Tim Gudgin.
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A look at some of the men who risk their lives for others.
One of the bravest lifesavers of all is Haroun Tazieff, the vulcanologist, who looks down into the mouths of volcanoes to see when they will erupt.
Introduced by Tim Gudgin.
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
