The touch-screen control panel of an elevator made by ThyssenKrupp AG is pictured at an office building in Berlin.The elevators business will be one of the German firm's pillars after its biggest corporate revamp in almost 15 years, along with other high-tech, high-margin businesses such as plant technology, automotive components and submarines. Picture taken September 17, 2013. REUTERS/Tobias Schwarz (GERMANY)