1)Trafalgar Square is place popular with tourists.
2)This square is also the geographical centre of London.
3)In Trafalgar Square there are two big fountains.
4)In the centre of the square you can see a tall column, a monument to admiral Nelson.
5) The dome jf St Paul's Cathedral stands high above the city.
6) Not far from the cathedral there is the Tower, the ancient fortress.
7)Now the Tower is a museum but some centuries ago it was a terrible prison.
8) In the Tower tourists like to take pictures of the famous black ravens, big proud birds.