![](http://www.alamy.com/thumbs/6/E948E247-4D1E-4A6C-83CF-810BA0C93E5A/2J2CBYW.jpg)
Grjótagjá cave in Iceland
Size: 6000px × 4000px
Location: Myvatn
Photo credit: © Matthias Kestel / Alamy / Afripics
License: Royalty Free
Model Released: No
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