Clock Tower is situated in centre of London. It is also symbol of capital and country. Clock Tower was built in 1859 and it is 100 metres tall. The clock is on the top. Also, there is bell inside the tower, called "Big Ben". The bell over 2 metres tall. Big Ben chimes every hour. The Queen Elisabeth renamed that building in 2012. Since then it's called Big Ben.
Вот и всё. Желаю успехов:)