The 'Godfather of Coral' who's still diving at 72

Over the last 50 years, Charlie Veron has discovered more than 20% of the world’s coral species.

He was also one of the early scientists to document coral bleaching.

We follow him underwater on the Great Barrier Reef as he remembers the spectacular world he saw.

Hear more Ocean Stories on BBC World Service.

Video produced by Ellen Tsang.

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