David Attenborough: Planet Earth/Life - David Attenborough [Blu-ray]

Two David Attenborough nature documentary series. 'Planet Earth' (2006), the first series ever to be filmed entirely in high definition, looks at various natural habitats and examines their local natural features and fauna. 'Life' (2009), which is also filmed entirely in high-definition, explores the unusual and spectacular behaviour employed by the world's wildlife in order to survive.