Whilst watching the TV programme on Silbury Hill the other night I was rather interested by the reference to Silbury Hill III being a 'clean site'. The reason given was that the site was probably only used by a few people such as the elite of the local population and so little or no debris would be deposited.
But wasn't Silbury Hill III originally a structure which had outer surfaces of clean chalk?
Anyone who has excavated on a chalk site will be aware that to clean off to the natural is very simple and once cleaned can be easily kept clean.
Silbury Hill III, when in its original use, would be pretty easy to clean with regard to any rubbbish or debris left after a horde of locals had been on the monument.
Consider modern churches, cathedrals, in fact any public building, do they have their floor littered high with debris?
No, cause they are kept clean and so I would imagine in the same respect that would be the case for Silbury Hill III.
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