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The Leaning Tower of Pisa first began to tilt during its construction when the foundation of the ground it was built on was too soft on one side to properly support the tower's weight. As the tower was being completed, the initial tilt gradually began to lean even more until the structure was completely stabilized in May 2008. Engineers announced that for the first time in history, the tower would stop moving, and would remain stable for at least the next two hundred years.

This tilt is what makes the tower an unusual landmark and architectual phenomenom. As a popular tourist attraction, the tower is visited by millions of tourists per year.

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11y ago

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