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3XN Transforms Brown into Green

A brownfield in Norway will be going green, literally, thanks to a new master plan that calls for a rolling green roof to shelter a cultural center

A brownfield in Norway will be going green, literally, thanks to a new master plan that calls for a rolling green roof to shelter a cultural center. The Danish architecture firm 3XN beat out Henning Larsen Architects, Niels Torp, L2 Arkitekter, and IN-BY LPO Arlitektur and Design in an invited competition to redevelop a former industrial waterfront known as Nedre Malmo, in the town of Mandal.

The $30 million complex, developed by a municipal organization, will stand on the eastern bank of the River Mandal. The architects divided the 6-acre site into sections containing a cultural hall, housing, and a hotel. In plan, the dividing lines produce a shape that resembles "a flower coming out towards the water," says Kim Herforth Nielsen, 3XN's founding architect. "We cut up the first lines for the cultural building, and moved it up like a carpet, and created this space [underneath].