For years, the Deutsche Bundesbank (Germany's national bank) has been planning a necessary expansion at its Frankfurt headquarters. Because the nearly 50-year-old Bundesbank headquarters is dilapidated. The striking Bundesbank Head Office on Wilhelm-Epstein-Strasse (217 meters long, 60 meters high, 14 meters wide) is faithfully preserved and modernized. But that's not all: 5,000 Bundesbank employees, who