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Trix is ​​a perfectly preserved T-Rex skeleton. This female lived 66 million years ago for thirty years. The National Museum of Natural History in Paris devotes an exhibition to him.
By the quality of its preservation. It's one of the three most beautiful skeletons in the world. And also by the information it carries, that allows us to learn a lot about what was the life of this animal 67 million years ago.
This video is an interview of Florent Goussard, paleontologist of the National Museum of Natural History, located in Paris.