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) 秋霞影视网为您提供影片《恐龙是怎样炼成的》高清无删减版手机免费在线观看,还有最新热播的vip电影,电视剧【高清免费不卡】更多好看热播经典影视视频尽在秋霞影视网。