This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Berlin Mitte Littenstrae GASAGGeschftshaus Grundriss. de Grundriss des frheren Geschftshauses der GASAG an Littenstrae unten und Stralauer Strae rechts in BerlinMitte erbaut von Ludwig Hoffmann en Floor plan of the GASAG building on Littenstrae bottom and Stralauer Strae right in BerlinMitte built to by architect Ludwig Hoffmann