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Chalk
Talking about chalk at the cliffs at Beachy Head, UK, in this programme looking at the life stories of rocks. Professor Andy Gale of Greenwich University joins presenter Martin Redfern at the cliffs.
Talking about chalk at the cliffs at Beachy Head, UK, in this programme looking at the life stories of rocks. Professor Andy Gale of Greenwich University joins presenter Martin Redfern at the cliffs.
