Derek Jones with Pat Morris , Roger Lovegrove and Peter Ferns visit the National Museum of Wales, Cardiff, to answer questions from members of Glamorgan Naturalists Trust.
Producer ANNE BLAIR COULD BBC Bristol
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Derek Jones with Pat Morris , Roger Lovegrove and Peter Ferns visit the National Museum of Wales, Cardiff, to answer questions from members of Glamorgan Naturalists Trust.
Producer ANNE BLAIR COULD BBC Bristol