Barajas International Airport is Spain's largest airport, located in Madrid.
Airport began service in 1928.
Currently has four terminals and has a maximum operating capacity of one hundred twenty flights per hour.
Rising costs of approximately $ 1.5 billion, and having a capacity of 35 million tourists a year, Barajas airport is the biggest project of the company Stirka Harbour + Partners.
Pillars, painted in rainbow colors to facilitate orientation, are illuminated by natural light that enters the room.
Also, extremely explicit billboards inform passengers about the time needed to reach the desired terminal.