A blue river inside a Grjotagja cave, Iceland

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Photo credit: © WireStock / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: blue, cascade, cave, flowing, grjotagja, iceland, landscape, nature, open, outdoors, peaceful, rapids, refreshing, river, rocky, scenic, serene, stream, stunning, tranquil, tranquilize, water, wild