The original Jurassic Park movies changed cinema forever by bringing to screen some of the most realistic effects ever produced by Hollywood. Larger-than-life and inhabited by dinosaurs, filmmakers faced challenges to thrill audiences, make their jaws drop, and convince them all that Jurassic Park was a real place. It's ironic when the park's fictional creator, John Hammond, reflects on wanting to show his guests "something real" when, all along, the Jurassic Park series was an intricate cinematic illusion.
Source：https://www.cbr.com/realistic-jurassic-park-effects-ranked/
