[00:00.000]The clock is renowned for its accuracy
[00:02.395]and even survived a dozen attacks by Luftwaffe bombers during the Second World War,
[00:08.233]continuing to mark the time within one and a half seconds of GMT .
[00:12.469]It has, however been late on occasion .
[00:15.679]In 1962 snow accumulation caused the clock to ring in the new year ten minutes late
[00:22.583]and in 1976 the clock stopped when a piece of its machinery broke .
[00:28.415]It also ground to a halt on April 30, 1997,
[00:32.551]just 24 hours before the general election and once more three weeks later .
[00:38.927]Big Ben is the name of the clock's 13-tonne bell,
[00:43.186]which was named after Sir Benjamin Hall,
[00:45.728]the British Commissioner of Works at the time of the clock's construction .
[00:50.327]The official name for the Gothic tower in which Big Ben nestles is St Stephen's Tower .
[00:57.640]Standing 100 metres (315ft) tall it was completed in 1858,
[01:05.293]after an 1834 fire destroyed most of the Palace of Westminster.

The clock is renowned for its accuracy
and even survived a dozen attacks by Luftwaffe bombers during the Second World War,
continuing to mark the time within one and a half seconds of GMT .
It has, however been late on occasion .
In 1962 snow accumulation caused the clock to ring in the new year ten minutes late
and in 1976 the clock stopped when a piece of its machinery broke .
It also ground to a halt on April 30, 1997,
just 24 hours before the general election and once more three weeks later .
Big Ben is the name of the clock's 13-tonne bell,
which was named after Sir Benjamin Hall,
the British Commissioner of Works at the time of the clock's construction .
The official name for the Gothic tower in which Big Ben nestles is St Stephen's Tower .
Standing 100 metres (315ft) tall it was completed in 1858,
after an 1834 fire destroyed most of the Palace of Westminster.