"People look at two animatronic Tyrannosaurus Rexs on display at the Jurassic Quest event held this weekend at the Alameda County Fairgrounds in Pleasanton, Calif., on Saturday, Feb. 8, 2014. The indoor exhibit features  life size, realistic animatronic dinosaurs from the Jurassic, Triassic and Cretaceous periods. Visitors can interact with the dinosaurs and learn about them and even ride a few. There will be a T Rex and Triceratops fossil digs where young paleontologists can uncover long hidden dinosaurs bones. Their is also a ""Dino Bounce"" children's play area with several, towering, dinosaur theme inflatable mazes. (Doug Duran/Bay Area News Group)"
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