Passengers ask for information from a train driver of German railways, Deutsche Bahn (DB) at the railways station of the Cologne-Bonn airport October 18, 2014. German train drivers union GDL on Saturday staged a nationwide strike for the second time this week in a drawn-out dispute over pay and conditions with state-owned rail operator Deutsche Bahn. REUTERS/Wolfgang Rattay (GERMANY – Tags: TRANSPORT BUSINESS EMPLOYMENT)