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Various shots of Mammoth Cave National Park and its tourism office in Kentucky on April 10, 2014, A wide shot of the road passing the Mammoth Cave entrance signage, A wide exterior shot of the tourist office at Mammoth Cave, A wide shot of a mother and her kids taking a photo on the sigange for Mammoth Cave Visitors Center, A wide shot of a tour group passing a sign leading towards the Mammoth Cave trail system, A wide shot of a park ranger leading a tour group in the woods of Mammoth Cave, A wide panning shot of a group of tourists walking down the stairs into the cave opening, A wide shot of a group of tourists walking down the stairs into the cave opening, A wide panning shot of toursists taking photos of the cave opening with water dripping of a rock ledge, A wide shot of tourists walking through a cave tunnel, A medium shot of tourists passing by with their shadows on a cave wall, A medium shot of a spotlight guiding tourists through a cavern, A wide shot of some tourist sillhouettes maneuver through a sparsely lit cave, A close up of some graffiti scratches on a dimmly lit wall