Stock Photo: Interbau Berlin, Berlin, Germany. Architect: Various Architects, 1957. Fritz Jaenecke and Sten Samuelson's Hansaviertel apartment building back lit stair cases.

Stock Photo: 1801-75275 Interbau Berlin, Berlin, Germany. Architect: Various Architects, 1957. Fritz Jaenecke and Sten Samuelson's Hansaviertel apartment building back lit stair cases.