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Dinosaurs died out 65 million years ago and we have hardly ever found a complete 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, accurate postures, and even - in some cases - the correct skin colour. ----------（From BBC Four Programme Official Website）
A new exhibit at the Los Angeles Natural History Museum will feature three T. Rex skeletons of various ages and sizes. Follow along as scientists tease out clues to how these animals probably looked and behaved despite an abundance of missing pieces.
