LONDON – The British Parliament’s Big Ben bell is due to sound the hour for the last time on Monday before it is silenced for almost four years of repair work that will deprive London of one of its most iconic sounds.
After 12 deep bongs at noon (1100 GMT; 7 a.m. EDT), the bell will begin its longest period of silence since it first rang out in 1859.
The break will allow workers to carry out much-needed maintenance to the Victorian clock and clock tower. But some lawmakers have criticized the lengthy silence, calling Big Ben an important symbol of British democracy. They want the time scale for repairs tightened.
Labour lawmaker Stephen Pound said he and a few other legislators planned to stand under the clock tower “with bowed heads” as the final bongs sounded.
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Big Ben has been silenced for repairs before, most recently in 2007, but this stretch is by far the longest. The bell is not due to resume regular timekeeping until 2021, though it will be heard on special occasions such as New Year’s Eve.
WATCH ABOVE: Big Ben in London is about to stop ticking for a while, as crews work on some necessary repairs. Jeff Semple explains what kind of facelift it’s getting, and how much it’ll cost.
The sound of the 13.5 U.K. ton (15.1 U.S. ton, 13.7 metric ton) bell became associated with Britain around the globe through World War II radio news broadcasts. The clock tower – also commonly called Big Ben, but formally named the Elizabeth Tower – is one of London’s most-photographed buildings.
During the repair work, scaffolding will obscure parts of the tower, and the clock faces will be covered at times.
READ MORE: The bongs are wrong: London’s famous Big Ben running a few seconds slow
Adam Watrobski, principal architect at the Houses of Parliament, said authorities are well aware of how much interest the bell and the tower generate.
“But you know at the end of the day all buildings have to be serviced,” he said.
Watrobski added that once this round of work is finished, “the building will be sound and secure for the next 60 years or so.”
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Kevin Scott contributed to this story.