The narrow and very long hand-picked coffin level in Knotlow lead mine near Monyash, Derbyshire, which is an internal 'sough' or drainage level.

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Size: 3104px × 4672px
Location: Knotlow Lead Mine, Monyash, Derbyshire
Photo credit: © Phil Wolstenholme / Alamy / Afripics
License: Royalty Free
Model Released: No

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