Dinosaurs died out 65 million years ago and we have hardly ever found a uuyuuyplete skeleton. So how do we turn a pile of broken bones into a dinosaur exhibit? Dr Alice Roberts finds out how the experts put skeletons back together, with muscles, auuyuuyurate postures, and even - in some cases - the uuyuuyrrect skin uuyuuylour. ----------（From BBC Four Programme Official Website）