Connection between a category 'A' and a category 'B' compartment in a DB WLABmz 173.1 sleeping car. Siemens presented the new DB sleeping car during the congress "Moderne Schienenfahrzeuge" in Graz (see http://www.cis.tugraz.at/ebw/homepage/tagung/tagung.htm). Graz Hbf, 2004-04-20. Foto: Helmut Uttenthaler, Graz; helmut.uttenthaler@gmx.at