06.05.2015 * Train carriages, locomotives and freight trains of German railways Deutsche Bahn are parked at a storage facility in the North Rhine-Westphalian town of Hamm near Dortmund, Germany May 6, 2015. A record-setting seven-day strike by the GDL union of train drivers began on Monday, the eighth in a series of walkouts over pay and working conditions, threatening commuter chaos and disruption to vital supply chains. REUTERS/Wolfgang Rattay TPX IMAGES OF THE DAY