The tallest tower in London is One Canada Square in Canary Wharf, which is the tallest building both in London and the UK. It is 771ft tall.
The next tallest towers are the Citigroup and HSBC...
Some special guests are Anne Boyleyn, Sir Walter Raliegh. After they both were there they were beheaded. Anne was Henry VIII wife Walter was sent by Elizabeth 1 He was imprisoned for 12 years then...
For one, it used to be one of the bloodiest prisons and torture chambers in all of Europe. I also believe Casanova escaped from it, along with King Louis III. That's all I got.
