Why doesn’t the Leaning Tower of Pisa fall over?

The Leaning Tower of Pisa has withstood earthquakes for centuries. Now, scientists know why.
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Yes, the Leaning Tower of Pisa is still standing. Here’s why it’s earthquake-proof.
The tower and its 5.5 degree lean have vexed engineers for centuries.  

Partially constructed on unexpectedly soft soil, the ancient bell tower began to lean before it was even finished, a historical goof that went on to become one of the world’s historical oddities — and made the tower a UNESCO World Heritage site.

How can something so obviously structurally unsound endure in an earthquake-prone region for hundreds of years? People who assemble an IKEA cabinet and have 18 pieces left over don’t expect to pass a wobbly Hemnes down to their great-grandchildren.

Professor George Mylonakis wanted to know why.

You can read all about it here:

https://www.washingtonpost.com/news/speaking-of-science/wp/2018/06/07/the-leaning-tower-of-pisa-has-withstood-earthquakes-for-centuries-now-scientists-know-why/?utm_term=.f83e68b12400&wpisrc=nl_rainbow&wpmm=1

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