civil engineer dean archie morley explains the principle was the father would be to in order to stabilize the building substrate piles were driven into the bed in each area. it's efficient piles are used in the areas then so that with water the mud between the piles becomes compressed and thus more stable than everything outside the area the piles keep everything together and prevent the substrate from being washed out that's the principle behind ground stabilization of the body. in this way the venetians created man made areas on which an entire city could gradually be built. because architects had discovered that the wooden piles did not cross in the mud. the poles that up underneath the buildings in the mud. that come in and clear in oxygen free environment since none of the microbes that would normally think a would can get into that. the wood undergoes a process of mineralization it turns rock hard and remains intact for centuries. the most famous the mission buildings were constructed on this building ground of mud and wood. st mark's square with its balance how it stands 18100000 f