Текст из 7 предложений про одну из достопримечательностей лондона, скажите

Big Ben is the symbol of Great Britain and one of the most beautiful sights of London. it’s the largest and the most famous clock in the world. Originally, Big Ben is a tower. Officially, the clock has started its work on 31 May 1859. According to one of the theories the clock has been named Big Ben after Sir Benjamin Hall, who directed work on the casting of the bell.  It’s one of the highest towers of Westminster Palace. All the Londoners who live close to Big Ben can hear how the bell strikes thirteen at New Year’s Night.