The Tower Began To Lean During Construction In The 12th Century, Due To Soft Ground Which Could Not Properly Support The Structure's Weight. It Worsened Through The Completion Of Construction In The 14th Century. ...

Tag » When Was The Tower Of Pisa Built

• Leaning Tower Of Pisa - Encyclopedia Britannica

• Tower Of Pisa Historical Facts

• WHEN Was The Leaning Tower Of Pisa Built?

• The History Behind The Leaning Tower Of Pisa | Rome Private Guides

• 11 Things You Didn't Know About The Leaning Tower Of Pisa

• History Of The Leaning Tower Of Pisa - Sightseeing Tours Italy

• Leaning Tower Of Pisa - Useful Information - Florence Museum

• Leaning Tower Of Pisa Reopens - HISTORY

• History Of Leaning Tower Of Pisa | Story Of Bell Tower

• The Leaning Tower Of Pisa History & Facts | LivItaly Tours

• Leaning Tower Of Pisa: Insider Facts For Your Visit

• 9th August 1173: Construction Begins On The Leaning Tower Of Pisa

• Stabilising The Leaning Tower Of Pisa