Where To Stream Horizon Season 2017 Episode 11

Over the last two years, the BBC's science strand Horizon has been behind the scenes at London's Natural History Museum, following the dramatic replacement of the iconic Dippy the Dinosaur skeleton cast with the real skeleton of a blue whale - the world's biggest animal. Narrated by Sir David Attenborough, this special film follows the teams involved in what has to be one of the world's most unique engineering challenges. Replacing Dippy is brave and bold - it is the first thing visitors see...