In celebration of his ninetieth birthday, Sir David Attenborough shares extraordinary highlights of his life and career with broadcaster Kirsty Young, including the inspiring people he has met, the extraordinary journeys he has made and the remarkable animal encounters he has had across the globe. Joined by colleagues and friends, including Michael Palin and Chris Packham, Sir David shares some of the unforgettable moments from his unparalleled career, from capturing unique animal behaviour for the first time to the fast-paced advances in wildlife filming technology, as well as stories of the wonder and fragility of the natural world - stories that Sir David has spent his life exploring and championing.

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