![](http://www.alamy.com/thumbs/6/0333B2CD-0ACE-4A9B-AC65-9D85CF00245A/DBXHJF.jpg)
Alum Cave in the Great Smoky Mountains National Forest.
Size: 6000px × 4004px
Location: Alum Cave, Smoky Mountain National Park, Tennessee, USA
Photo credit: © Sean Pavone / Alamy / Afripics
License: Royalty Free
Model Released: No
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