Blue light from inside a crevice in a cave or mountain

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Size: 7800px × 5378px
Location: Ruby Falls, Chattanooga, TN, United States
Photo credit: © Rustycanuck / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: attraction, blue, cave, chattanooga, crevice, explore, falls, flow, formation, fossil, geology, growth, nature, rock, ruby, shape, spelunking, tennessee, tourist