Big Ben is The Clock Tower of Palace of Westminster and it is officially called Saint Stephen’s Tower but Big Ben is its common name. This tower is one of the most famous landmarks in London. When installed during the mid-nineteenth century, it was the largest clock in the world. The term Big Ben is used about the hour bell of the clock and it is the largest one of the five bells found at the clock. The other four bells are simply used just as quarter bells.
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