Transcript for This Mountain Showcases Some Unique Fireflies
Oh you're gonna love it it's so much fat. Hundreds of people are visiting the Great Smoky Mountains national park for fireflies. But they're not here to see your average lightning bug. If you picture a Christmas tree park blinking for different nearly simultaneously. And then they stop it's just beautiful it's just gorgeous. The smoking makes seeing the secret is fireflies a special event people from all over especially in east Tennessee could receive their all of out. Fireflies and synchronization. That's what that's what they sell to has and that's when excited C and Egypt's. Ryan Harris varying. Even is so popular that they require tickets. And have trolleys to take you to this site this is kind of the only place in the world you can see this species that's a big reason why these people make the trip. Is he to synchronize splash it happens only during this time of the year the suspense builds as everyone waits to see. Sacks. When it gets dark that's when you start to see those twin goals of light speed. By Christmas lights go on and off. They're a spectacular but well. It's part of a mating ritual meal fireflies lighting up to get intention of females many aren't sure why they synchronize but some say it could be for competition. Sometimes like there just in a circle around us they would link over in this area. And their link golf women U it was kind of do circle around the sun times news. Really cool. And it's a site they won't soon forget. At the Great Smoky Mountains national park Cameron Taylor WA TE six on your side.
This transcript has been automatically generated and may not be 100% accurate.