Is the Leaning Tower of Pisa losing its lean?

One of the world’s most popular landmarks is losing its appeal.

Leaning tower losing its lean?

One of the world’s most popular and most photographed landmarks – the Leaning Tower of Pisa – is losing its lean and, possibly, its appeal.

Built in 1173 as a symbol of the power of the maritime republic of Pisa in the Middle Ages, the medieval tower has leaned to one side ever since construction began, due to the sandy soil on which it was built.

By 1990, the tower leaned some 4m off its perpendicular – a six-degree tilt – and for fear it would actually fall, it was closed for the first time in 800 years.

Corrective work began on the tower and after engineers corrected the lean by 45cm, it was reopened to the public in 2001. However, behind the scenes, work continued in an effort to straighten the tower even more.

And now, after more than 20 years of efforts by engineers positioning pipes with drills and removing soil from the opposite side of the tilt, the structural health of the famous landmark has improved far more than originally predicted.

“With the missing soil under its base, the tower has reacted by straightening up, recovering the tilt and thus rejuvenating after all the years that caused it to lean and to reach a critical position, which was becoming worrisome,” said Roberto Cela, who worked on the maintenance of the tower.

The tower, which attracts thousands of tourists every day, is now back to the tilt it had at the beginning of the 19th century.

“The reduction of the tilt will not last forever – but it's very significant and now we have good reasons to hope that the tower can last for at least another 200 years,” said professor Salvatore Settis, who leads the surveillance group of the monument.

“Technically, it has been an incredibly complex work – but the concept of the project is easy to understand,” said Settis.

“The tower is leaning towards the south, so part of the soil under the northern side, basically sand and clay, was eliminated, creating cavities that the weight of the tower is now closing.”

Pisa’s most famous landmark is now in danger of defying its name, and potentially losing its appeal. Most likely, tourists won’t even notice the difference, but for the engineers who’ve been painstakingly working on saving the leaning tower from falling, the tilt reduction – even by these few inches – is truly a remarkable achievement.


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    12th Dec 2018
    We were in Pisa earlier in the year and the tourist area was unique, apart from the tower itself, in that it was the ONLY clean, not graffitied town we saw in Italy. Highly recommended.
    Correct the lean was attended to and apparently they excavate material on the non lean side and filled with a softer mater so that the tower would tilt back the other way. Not sure what would happen if level 8 earthquake hit though. Still a wonderful thing to see.
    12th Dec 2018
    Felt like going up in a cork screw. Beautiful town as Mick says, highly recommended. If you want to go up the tower go rather early in the day - no handbags, fanny bags, camera cases. Cloak room available - keep a few Euro coins in your pocket for the toilet entry after handing over your bags.
    Karl Marx
    12th Dec 2018
    They have actually moved it to Thailand
    old frt
    12th Dec 2018
    I would rather see a straight tower of Pisa than a pile of rocks.
    12th Dec 2018
    In 1979 us two women climbed to the top of the tower but our husbands chickened out after a vertigo feeling so then they took a photo of us when we emerged on the top balcony.
    12th Dec 2018
    Best experience ever, my husband and I made it right up to the bell tower albeit with a few stops along the way. Amazing feeling
    The Phonse
    14th Dec 2018
    in 1974 my wife and I sat at the very top right next to the bells and were having our packed lunch. There was no one else at the top. We didn't know it was coming up to 12pm and to this day it still the loudest sound we have ever heard, We got such a fright. [ The next loudest sound was when peter daicos kicked Collinwood's Is't goal in the 1990 grand final whilst I was in the standing room near the old bay 13.]

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