The buildings of Venice are constructed on closely spaced timber piles that have become petrified as a result of centuries of a constant flow of mineral-rich water. The piles penetrate soft layers of sand and mud until they reach a hard layer of compressed clay.
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The buildings of Venice are constructed on closely spaced timber piles that have become petrified as a result of centuries of a constant flow of mineral-rich water. The piles penetrate soft layers of sand and mud until they reach a hard layer of compressed clay.

© David Noyes 2011

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