Dominika Wroblewska at Cohesion Sump, a steeply-inclined and part-flooded phreatic vein cavity in Peak Cavern, Castleton, Derbyshire.

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Size: 4672px × 3104px
Location: Peak-Speedwell cave system, Castleton, Peak District, UK
Photo credit: © Phil Wolstenholme / Alamy / Afripics
License: Royalty Free
Model Released: Yes

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