A stewardess of German airline Lufthansa carries an airplane model as she walks down the gangway during the opening of the Berlin airshow ILA in Schoenefeld, outside Berlin, on September 11, 2012. The 2012 international air fair runs from September 11 until 16, 2012. AFP PHOTO / JOHANNES EISELE (Photo credit should read JOHANNES EISELE/AFP/GettyImages)