Every year, more than nine million people come from countries all over the world to visit London.
They go to the theatres and museums;
they look at interesting old buildings,
many of them hundreds of years old;
they sit or walk in the beautiful parks, or have a drink in a pub.
They go to Oxford Street to look at the shops, or to Harrods.
Two million visitors go to the Tower of
A million more go to see St Paul's Cathedral.
Yes, London is a big and beautiful city with lots to see and do.
But how did it all begin . . .?