Allen, Penny.

Planet Earth / by: Allen, Penny.; Attenborough, David, (1926-); Fothergill, Alastair.; Linfield, Mark.; Berlowitz, Vanessa.; Byatt, Andy.; Cordey, Huw.; Keeling, Jonny.; Brownlow, Mark.; BBC Earth (Firm); British Broadcasting Corporation.; Disney Channel (Firm); Nihon Hōsō Kyōkai.; 2 Entertain (Firm); BBC Worldwide Americas, Inc. (Projected and video material)