Leaning Tower of Pisa is losing its tilt, thanks to engineers

“It’s still straightening,” said engineer Roberto Cela, gazing at the Leaning Tower of Pisa gleaming in the autumn sunshine of northern Italy. “And many years will have to pass before it stops.”The gravitationally-challenged landmark is leaning less after years of ambitious engineering work. Fortunately for the millions of tourists who come here every year, the 186-feet tower remains beautifully askance.The medieval bell tower, a symbol of the power of the maritime republic of Pisa in the Middle Ages, has leaned to one side ever since building started in 1173 on ground that proved a little too soft.The tower was closed to the public in January 1990 for 11 years over safety fears, as its tilt reached 15 feet from the vertical, threatening to turn it into a pile of rubble.“We installed a number of tubes underground, on the side that the Tower leans away from,” said Mr. Cela, technical director at the OPA, which looks after Pisa’s main monuments.

Source : https://www.thehindu.com/todays-paper/tp-life/leaning-tower-of-pisa-is-losing-its-tilt-thanks-to-engineers/article25650933.ece

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