DescriptionBlue John production - 3 turning - Treak Cliff Cavern - Andy Mabbett - 03.JPG
English: After impregnation with hot epoxy resin, pieces of Blue John at Treak Cliff Cavern, Derbyshire, England are glued to a chuck before being turned on a lathe.
to share – to copy, distribute and transmit the work
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Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.