What most naturally follows?

How to get around london easily
Know how you're going to travel.
The easiest method of travel in london is the tube. For this, it is easiest to buy what is called an' oyster card' or a get a travelcard for all zones from one of the automated machines in a tube station.
These cover buses, tubes, trams and overground trains throughout the city. This is usually the best option, especially for tourists, as you can travel as much as you'd like in one day with one flat fare.