MADRID - APRIL 25: New terminal T4 at Barajas airport on April 25, 2011 in Madrid, Spain. It opened 2006 and is Madrid's largest airport with 5930 acres of space making it the 2nd largest airport in the world serving 49 million passengers per year.
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MADRID - APRIL 25: New terminal T4 at Barajas airport on April 25, 2011 in Madrid, Spain. It opened 2006 and is Madrid's largest airport with 5930 acres of space making it the 2nd largest airport in the world serving 49 million passengers per year.