Madrid Barajas International Airport - terminal T4 - Global: Madrid-Barajas is the 12 airport (MAD) of the world with around than 42 million passengers. This airport is linked by bus a underground with the capital of Spain.
Pictures of International Airports: Pictures of Internatinoals Airports: Madrid Barajas, Atlanta, London-Heathrow, Frankfurt, Paris - Charles de Gaulle, Schiphol-Amsterdam, JFK - New York, Dubai.