One comment I would make on your posts is that you are looking at things on a human time scale, something we are all guilty of.
Humans though have been living in and using caves for millennia and were breaking speleothems for their own purposes a long time ago. Nobody would propose replacing these as now they are 'historical artefacts'. Just a comment.
Yadda Yadda 'kin YaddaGrow up. or go caving, Eh?
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