Round Towers
![](http://photos1.blogger.com/blogger/5110/2298/400/IMGP2820_edited.jpg)
You see the flint itself was once part of a living creature. Many millions of years ago this area was submerged under a tropical sea. Flint is a chemical sedimentary rock that forms from the remains of silica-bodied organisms (marine sponges) which sank to the sea-bed.
This knowledge also alters the time-period within which we frame this building. Historical time, is but a blink in the vast span of geological events. That's a fuckin amazing thought ain't it kids!
![](http://photos1.blogger.com/blogger/5110/2298/400/IMGP2821_edited.jpg)
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