Money - the force behind so many of our actions, changes the use of things in strange ways. It has even changed the career of a bridge-London Bridge, now building up Lake Havasu City, Arizona. The million-pound gamble taken by Robert McCulloch when he bought the bridge and transported it stone by stone to the Arizona desert seems to have paid off. Land values in the custom-built city have trebled since the bridge arrived. The Lord Mayor of London opened it and tonight The Money Programme looks at the millionaire who is building a city in the desert. The Money Minder, of course, concentrates on a City nearer home.