Вставить слова в нужной форме the tower of london has become one of the most recognisable symbols of the city of london, and of britain as a whole. it was built by william the conqueror in 1078 and the () of the tower took 20 years from start to finish. the () of the tower (almost 30 metres) and the thickness of the walls made it a perfect prison. famous () held at the tower include elizabeth (later queen elizabeth i) and king edward v. in the thirteenth century, king henry iii added many buildings to the tower, including a church and even a zoo. today, many thousands of () come to the tower each year and learn all about the history of this () place. () of the tower took 20 years from start to finish.