Completar frases Tower Pisa interesfactsVersión en línea Students will complete some phrases worked during the didactic unit about Tower of Pisa interesting facts. por Lina Mora 1 Pisa centuries physics planning spheres inclination years Italy Galilei experiments tower famous 5 engineers The of is located in Piazza dei Miracoli , Pisa . It took two to be built and it was finished in 1399 by Bonanno Pisano , Gherardo di Gherardo , Giovanni Pisano and Giovanni di Simone . This construction is by its degree leaning that is the result of lack of . Some have taken place in this tower , that is the case in which Galileo dropped two in order to prove a law of . Although some and government members have tried to fix it , the Tower of Pisa keep its . Regrettably , this construction is predicted to remain stable only for the next 200 . ( Arbeiter 2016 )