A 67-million-year old female Tyrannosaurus Rex discovered in the United States in 2013 is ready for an exhibition at the National Museum of Natural History in Paris, France. An exhibition titled "Un T-Rex a Paris" will run from June 6 until Sept. 2, 2018, displaying one of the most complete skeletons of the dinosaur in the world. (Photo/Agencies)
A 67-million-year old female Tyrannosaurus Rex discovered in the United States in 2013 is ready for an exhibition at the National Museum of Natural History in Paris, France. An exhibition titled "Un T-Rex a Paris" will run from June 6 until Sept. 2, 2018, displaying one of the most complete skeletons of the dinosaur in the world. (Photo/Agencies)
A 67-million-year old female Tyrannosaurus Rex discovered in the United States in 2013 is ready for an exhibition at the National Museum of Natural History in Paris, France. An exhibition titled "Un T-Rex a Paris" will run from June 6 until Sept. 2, 2018, displaying one of the most complete skeletons of the dinosaur in the world. (Photo/Agencies)
A 67-million-year old female Tyrannosaurus Rex discovered in the United States in 2013 is ready for an exhibition at the National Museum of Natural History in Paris, France. An exhibition titled "Un T-Rex a Paris" will run from June 6 until Sept. 2, 2018, displaying one of the most complete skeletons of the dinosaur in the world. (Photo/Agencies)