BBC2’s new three-part documentary series Earth’s Tropical Islands explores the world’s most exotic and remote islands，starting with MadagascarEscape our cold，dark winter and enjoy a glimpse of the world’s most colourful and amazing islands IN BBC2’s new three-part documentary series，Earth’s Tropical Islands，narrated by actor DavidHarewood.First up is Madagascar IN the Indian Ocean–the oldest island on Earth and home to more than 15000 species found nowhere else IN the world.