Questions: 1. What is the fastest way of traveling? 2. How many airports are there in London? 3. What kind of service helps to cross the Channel? 4. What are some "rules" of driving in Britain? 5. What does typical bus in London look like? 6. Where was the first underground opened? 7. Why is London underground called the Tube?

1. What is the fastest way of traveling?
The fastest way of traveling is by airplane. Airplanes can travel at high speeds and cover long distances in a relatively short amount of time. They are able to fly above the traffic and obstacles on the ground and can reach speeds of up to 600 miles per hour.

2. How many airports are there in London?
There are six major airports serving London. These include Heathrow Airport, Gatwick Airport, Stansted Airport, Luton Airport, London City Airport, and Southend Airport. Each airport serves different airlines and destinations.

3. What kind of service helps to cross the Channel?
The service that helps to cross the Channel is the Eurostar. Eurostar is a high-speed train service that connects London with other major cities in Europe such as Paris, Brussels, and Amsterdam. It travels through the Channel Tunnel, which is an underwater tunnel that connects the United Kingdom with mainland Europe.

4. What are some "rules" of driving in Britain?
Some rules of driving in Britain include driving on the left-hand side of the road, giving way to traffic coming from the right at roundabouts, using the outer lanes of roundabouts to exit, and following speed limits. Additionally, it is important to wear seatbelts, not use mobile phones while driving, and to always carry a valid driving license and vehicle insurance.

5. What does a typical bus in London look like?
A typical bus in London is red in color and has a double-decker design. It has two levels with a staircase connecting them. Buses in London are operated by Transport for London (TfL) and are known as the iconic red buses of London. They have the London Transport logo on the front and sides.

6. Where was the first underground opened?
The first underground railway, also known as the subway or metro, was opened in London. It was called the Metropolitan Railway and was opened in 1863. The line initially ran between Paddington and Farringdon, and it was a steam-powered railway.

7. Why is London underground called the Tube?
The London underground is called the Tube because the tunnels through which the trains run are circular in shape, resembling tubes. The term "tube" is a shorthand for "tubular," which is used to describe something that is long and hollow like a tube. The nickname "Tube" has been used since the early 20th century and has become synonymous with the London underground system.