Light trails of Synchronous fireflies, Elkmont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65415.html View from Cataloochee Overlook at night, North Carolina. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65379.html Synchronous lightning bugs (Photinus carolinus), late evening, Elkmont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65428.html Synchronous lightning fireflies (Photinus carolinus), late evening, Elkmont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65938.html Light trails of Synchronous and Blue Ghost fireflies, Elkmont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65414.html Fireflies light trails over steep hill, Elkmont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65397.html Light bugs in forest, Elkmont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65432.html Synchronous fireflies (Photinus carolinus), early evening, Elkmont, Tennessee. Great Smoky Mountains National Park, USA. http://www.terragalleria.com/parks/np-image.grsm65427.html