This is what you're concerned about? Paving stones?

>"Coalition forces in Iraq have caused irreparable damage to the ancient city of Babylon, the British Museum says.
>Sandbags have been filled with precious archaeological fragments and 2,600 year old paving stones have been crushed by tanks, a museum report claims."
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>http://news.bbc.co.uk/1/hi/world/middle_east/4177577.stm