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Following his visit to the Great Barrier Reef in 1957, naturalist and broadcaster David Attenborough returns and uses the latest filming techniques to unlock the secrets of the natural wonder.
First Air Date : Dec 30, 2015
Last Air date : Jan 13, 2016
Episode : 3 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: BBC One
Country: United Kingdom
Cast: David Attenborough