Now that's what I call an expensive runway!
In Portugal A special airport
-- the airport's runway with a length of 2781 meters (9124 ft.), of which 1000 meters (3281 ft.)of the runway is supported by 180 pillars, each pillar 50 meters height (about 17 floors) , surprisingly, the runway is designed for B-747
Look at the cars parked below the runway
Thanks Barry & Louise D.