Dallas Campbell delves into the Horizon archive to find out how our ideas about dinosaurs have changed over the past 40 years and how the mystery of their disappearance was solved. Show more
Discover 11,128,835 listings and 277,858 playable programmes from the BBC
Dallas Campbell delves into the Horizon archive to find out how our ideas about dinosaurs have changed over the past 40 years and how the mystery of their disappearance was solved. Show more