![](/fileadmin/bbb/media/bilder-architektur/aula-historisch-970.jpg)
Unknown photographer, Trade Union School: lecture hall, view of the stage, c. 1930, © Bauhaus University Weimar, Archiv der Moderne
Unknown photographer, Trade Union School: lecture hall, view of the stage, c. 1930, © Bauhaus University Weimar, Archiv der Moderne