Lessthan55yearsago,DubaiInternationalAirportwasavastdesertofsand.Buttoday,itisamodernmeccaofinternationalairtravel.With344,000flights,57millionpassengersand2milliontonsofcargoflyinginandouteachyear,itistheworld’sthirdbusiestairportforinternationalpassengers.NationalGeographicChannelgobehind-the-scen...