@CNN: The Leaning Tower of Pisa has lost four centimeters of its tilt over the past 17 years. The movement, roughly 1.5 inches, comes after extensive consolidation work that was required to reverse its slump. https://t.co/h12cfoEzRJ https://t.co/PkcKh0yYtw

@CNN: The Leaning Tower of Pisa has lost four centimeters of its tilt over the past 17 years. The movement, roughly 1.5 inches, comes after extensive consolidation work that was required to reverse its slump. https://t.co/h12cfoEzRJ https://t.co/PkcKh0yYtw