Conservation and Consideration of the Leaning Tower of Pisa作者：JSECTION1. Location and Structure2. Reason and Hazards 3. How to conserve the tower4. Conservation and Summary LOCATION & STRUCTURElocated in the Arno River Delta Hollow structure1.A symbol of the city Piza ，even of ItalyCircular columns Arched doorThe top of the towers interiorTop stairTowers interiorThe reason is tower continual interaction with the soil on which it was built. 2. Reason and Hazards several layers of soils of differe
