Stock Photo: D-Oberhausen, Lower Rhine, Ruhr area, Rhineland, North Rhine-Westphalia, NRW, D-Oberhausen-Osterfeld, Eisenheim settlement, workers settlement, route of industrial heritage, Blue Tower, library, building owners Roland Guenter and Janne Guenter, Poetische. D-Oberhausen, Lower Rhine, Ruhr area, Rhineland, North Rhine-Westphalia, NRW, D-Oberhausen-Osterfeld, Eisenheim settlement, workers settlement, route of industrial heritage, Blue Tower, library, building owners Roland Guenter and Janne Guenter,

Stock Photo: 1566-1201617 D-Oberhausen, Lower Rhine, Ruhr area, Rhineland, North Rhine-Westphalia, NRW, D-Oberhausen-Osterfeld, Eisenheim settlement, workers settlement, route of industrial heritage, Blue Tower, library, building owners Roland Guenter and Janne Guenter, Poetische. D-Oberhausen, Lower Rhine, Ruhr area, Rhineland, North Rhine-Westphalia, NRW, D-Oberhausen-Osterfeld, Eisenheim settlement, workers settlement, route of industrial heritage, Blue Tower, library, building owners Roland Guenter and Janne Guenter,