"Once again, the expertise, professionalism and in depth knowledge of our great city has seen London's taxi drivers voted as the best in the world. Clearly, their friendliness, dedication and pride in the trade, helps visitors not only get to their destination quickly and safely, but enhances the whole experience of a visit to London."
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A lamp in the tower which houses Big Ben is to be switched off for the first time in more than 70 years.
Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.