Construction workers walk below the open ventilation shafts in the departure hall of the Berlin-Brandenburg International airport aka Willy Brandt Airport is seen during a visit to the building site in Schoenefeld, near Berlin, on September 11, 2012, during the International Air Show ILA taking place nearby.  For the fourth time in two years, the opening of the aiport to replace the German capital's two current hubs was put back in September 2012 to October 27, 2013.
AFP PHOTO / ODD ANDERSEN        (Photo credit should read ODD ANDERSEN/AFP/GettyImages)