9 Moiré Stair Tower, 1999–2002 Deutsche Post stair tower, Bonn, Germany Architect: Murphy Jahn Architects
Photo: ©Andreas Keller
Located along the Rhine River in Bonn, Germany, the new Deutsche Post headquarters is divided into two distinct elements: a 240m (787 ft) high office tower and a three storey base building with a grid shell roof. James Carpenter Design Associates was asked to design a stair tower for the base building. Focusing on the relationship of the stair to the river and adjoining park, JCDA created a stair that acts as a viewing platform, layering views of the surrounding landscape with their reflections as well as the optical effects created by the patterns and their reflections.
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