The block consists of protected historical apartment buildings whose façades and structures had to be kept. Old buildings with different floor levels surround in a U-shape a central court area. While the historical structures have been rehabilitated and converted into offices, a new large central structure was inserted into the former court area - acting as a reception hall and distribution area - with a monumental interior rotunda, a contemporary inside facade in lieu of the missing outside one, a new component, providing additional office space and connection to the various levels of the existing buildings. On ground level, a lavish entrance area has been provided, in both the old and the new part, which is accessed by a bridge over the lower level.

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