This idiosyncratic, cubic design appears strong and rational. On closer inspection, the enticing interplay of different building structures becomes clear. The central tower has been designed as a twin-wall façade with a transparent appearance. Only every second floor is indicated by a horizontal line. Unitised façades with a strong horizontal emphasis are grouped around this tower. Attached to these flanks are all-glass structures with no floor emphasis at all. With their light profiles, they appear to be independent façade panes with a vertical emphasis. All in all, a successful architectural union of the widest range of façade types.