Planning for this airport started in 1989, but the whole thing wasn’t approved until 2006. Construction began then, with a target of 2011 to open. They also budgeted $2.7 billion. It was all wishful thinking.

At the moment, a series of colossal f#$k ups have prevented the opening until 2020. From the wrong size of escalator, to not enough check-in desks, the airport is now costing $6 billion and counting.