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A 50-foot life-size model of a Spinosaurus dinosaur is displayed outside the entrance at the National Geographic Society in Washington on Wednesday.
University of Chicago Paleontologist Paul C. Sereno looks inside the jaws of a 50-foot life-size model of a Spinosaurus dinosaur at the National Geographic Society exhibit in Washington on Wednesday.
University of Chicago Paleontologist Paul C. Sereno speaks during an interview in front of a 50-foot life-size model of a Spinosaurus dinosaur at the National Geographic Society exhibit in Washington on Wednesday.
A 50-foot life-size model of a Spinosaurus dinosaur is displayed at the National Geographic Society in Washington on Wednesday.
University of Chicago paleontologists Paul C. Sereno, left, and Nizar Ibrahim on Wednesday stand in front of a 50-foot life-size model of a Spinosaurus dinosaur that is currently on display outside entrance to the National Geographic Society in Washington.
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