It’s a building that’s recognised across the world – the Leaning Tower of Pisa, Italy. It’s stood in Miracle Square, Pisa, for over eight hundred years. But why does it lean? Did its medieval architects get their calculations spectacularly wrong? How did they attempt to fix the problem? And will it one day finally topple over – or will it continue to defy the laws of gravity? Investigators uncover the reasons for its famous tilt – and discover that it remains standing due to a combination of medieval engineering, a modern-day rescue plan and sheer luck. Learn more about your ad choices. Visit megaphone.fm/adchoices