Bearing in mind that one of the stones has seemingly already worked it's way to the underground holes in the limestone, the copius quantity of packing stones seems a good idea.
Presumably the water pools that collect at the base of the stones must accelerate the dissolution of the limestone.
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Image Credit: IH
Posted by Hob
30th November 2004ce |
NB: Unless otherwise stated, this image is protected under the copyright of the original poster and may not be re-used without permission.
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