In the early 1990s, the administrative center of HypoVereinsbank in Munich's Arabellapark was expanded with a building for over 900 employees, located to the east of the Hypo Tower. Walther and Bea Betz, the architects of the Hypo Tower, also designed this office building.

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It impressively shows how the concept of an office building can evolve over 20 years. A large, multifunctional atrium forms the core of the building. Transparency, operable windows for natural ventilation, a double façade, and sophisticated shading systems characterize the six-story building.