T-Rex Growth Spurt - How To Build A Dinosaur - BBC

Dr. Alice Roberts views the completed T-Rex exhibition. The three different T-Rex's, all different ages, highlight the growth spurts of the species. Subscribe to BBC Earth: http://www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter. ...