People have rubbed them over the years and oil from their hands has made the
rubbed areas black. There are barriers now to prevent touching.
Tina
Sent from my iPhone
> On Jul 9, 2016, at 10:23 PM, DZDub <jdubikins@xxxxxxxxx> wrote:
>
>> On Sat, Jul 9, 2016 at 5:14 PM, Tina Manley <tmanley@xxxxxxxxx> wrote:
>>
>> PESO:
>>
>> I find it amazing that after 2500 years the bas relief sculptures at
>> Persepolis are still mostly intact and vivid.
>
> They are remarkably lively. What accounts for the black tones?
>
> Joel W.
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