Steel for large spans and structural flexibility, concrete for sound insulation between quite different uses: with this combination of materials, OMA, the architects of the present scheme, and Arup, the structural engineers, have created a building that might seem like built shock therapy for Copenhagen’s inner city. The Blox mixed-use centre was located on the edge of the harbour in the middle of an area of wasteland that had remained undeveloped since 1960, when what was left of the former Royal Brewery burnt down.