Early in this century, Berlin's Potsdamer Platz was among the liveliest squares in Europe. Some 50 years later, it had become a desolate space between East and West Berlin, destroyed in World War II and watched over by armed border guards.
Now, as the turn of a new century is upon us, Potsdamer Platz is again abuzz. New buildings by Daimler-Benz, Sony, and others anchor the rejuvenated plaza, and in the midst of it all is the new Grand Hyatt Berlin. In its interior design, the 325-roo