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Uploaded by knoxnews on Jun 8, 2011
The synchronous display of fireflies (Photinus carolinus) draws visitors to Elkmont each year. For 10 days this month, the National Park Service will run a trolley service to bring thousands of people to witness the stunning phenomenon.
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interesting...
Replicachile1 2 months ago
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interesting...
Replicachile1 2 months ago