Stock Photo: Volker Kefer, board member of the Deutsche Bahn AG, responsible for Technology, Integrated Systems, Services and Infrastructure of DB, view from the 24th floor of the DB Group headquarters at Potsdamer Platz in Berlin, Berlin, Germany, Europe

Stock Photo: 1848-562833 Volker Kefer, board member of the Deutsche Bahn AG, responsible for Technology, Integrated Systems, Services and Infrastructure of DB, view from the 24th floor of the DB Group headquarters at Potsdamer Platz in Berlin, Berlin, Germany, Europe