1. London is one of the largest cities in the world;2. Its population is about 8 million;3. There are 4 parts — the City, Westminster, the West End, and the East End;4. The City is the heart of London. It is financial and business centre;5. St Paul’s Cathedral was built by Sir Christopher Wren;6. The Tower of London was founded by Julius Caesar and in 1066 it was rebuilt by William the Conqueror;7. It's Westminster;8. It's Westminster Abbey;9. It's the Clock Tower;10. Trafalgar Square is the geographical center of the London;11. They live in the East End;12. There are the National Gallery, and British Museum.