Nevertheless, as soon as the tower was finished, Pisa city authorities had a new challenge — how to stabilize it. Ugly-looking supporting structures were out of the question, as well as some other not so aesthetic solutions, including really funny one: a giant ferroconcrete statue of ...
The Leaning Tower of Pisa was not leaning when it was built in 1173 and it was straight like a pole. It started to shift direction soon after construction because of poor foundation in addition to the loose layer of subsoil(底土). At the beginning, it leaned to the southeast before the...