1. London sights.

3. Big Ben is a symbol of the UK.

4. The Houses of Parliament building in London.

5. The Houses of Parliament and Big Ben.

6. The Tower of London was a fortress, a Royal place, a prison.

7. Now it is a museum.

8. Changing of the royal guard at the Tower of London.

9. The Tower Raven masters.

10. The Tower Bridge.

11. The Tower Bridge at night.

12. The British Museum is one of the largest museums in the world.

13. A double-decker bus in London

14. A photo of a red London telephone booth.

15. 10 Downing Street.

16. Buckingham Palace, the official London home of the queen.

17. The Whitehall