David Attenborough series on the natural history of the polar regions; Attenborough appeared on screen and authored the final episode, in addition to performing voiceover duties. Attenborough introduced and narrated the Unit's first 4K production "Life Story." For "Planet Earth II" (2016), Attenborough returned as narrator and presenter, with the main theme music composed by Hans Zimmer. In October 2014, the corporation announced a trio of new one-off Attenborough documentaries as part of a raft of new natural history programmes. "Attenborough's Paradise Birds" and "Attenborough's Big Birds" was shown on BBC Two and "Waking Giants", which follows the discovery of giant dinosaur
David Attenborough satisfaction of completing the set, brought together in a DVD encyclopaedia called "Life on Land". In an interview that year, Attenborough was asked to sum up his achievement, and responded: However, in 2010 Attenborough asserted that his "First Life" – dealing with evolutionary history before "Life on Earth" – should also be included within the "Life" series. In the documentary "Attenborough's Journey", he stated, "This series, to a degree which I really didn't fully appreciate until I started working on it, really completes the set." Alongside the "Life" series, Attenborough has continued to work on other television documentaries, mainly in