Big Ben is referred to the Great Bell of the clock that is situated at the north end of the Palace of Westminster. Also known as clock tower, its official name is Elizabeth Tower. It is just beside the Houses of the parliament.
For a majority of visitors, London is identified with Big Ben as an iconic building. It is the most recognisable clock in the entire world and it has been ticking 116 stories above since May 1859. It is also the second largest four faced chiming clock in the entire world. A tour to Big Ben and Elizabeth Tower is possible only if the person fulfils all the criterion mentioned by the British government and he must also have a contact of any MP to request a visit.
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