Watch National Geographic photographer Joel Sartore in action as he attempts to capture the perfect shot of a tiger at the Cheyenne Mountain Zoo. Filmmaker Morgan Heim takes you behind the scenes to show you how he does it inThe Short Film Showcase spotlights exceptional short videos created by filmmakers from around the web and selected by National Geographic editors. We look for work that affirms National Geographic's belief in the power of science, exploration, and storytelling to change the world. The filmmakers created the content presented, and the opinions expressed are their own, not those of the National Geographic Society.#shortfilmshowcase @natgeo