In London you can see and have a ride on red double-decker buses. They are world-famous, an image associated with the city. Another symbol of London is the ______ taxi. Normally, you cannot phone a traditional taxi. You simply have to stop one on the street.

In London you can see and have a ride on red double-decker buses. They are world-famous, an image associated with the city. Another symbol of London is the **black** taxi. Normally, you cannot phone a traditional taxi. You simply have to stop one on the street.