centuries later venice is still a proud and beautiful city but over the centuries the lagoon changed completely. shipping traffic and industrial utilization increase dramatically and left their marks in the course of industrialization a 1000 wells was sunk in order to access the groundwater beneath the bed of the living. in the 1950s up to 40000 cubic meters of water removed every day. civil engineer pierre tretiak teenie describes the consequences for venice these generate a. decrease of the pressure. and when the pressure of the trees in a big city mentoring the mason is these producer compaction else decide the winds and