Lakshmi Mittal’s fortress isn’t made of steel, which calls into question his affinity for the source of his eye-popping wealth:

The steel magnate set real estate records last year when he paid $128 million for a townhouse in London’s Kensington Palace Gardens…Mittal’s mansion, tucked between Kensington Palace and the Sultan of Brunei’s spread, has garage space for 20 cars, and is embellished with marble taken from the same quarry as that for the Taj Mahal. [Forbes]

Forbes: Homes of the billionaires 2005 — Lakshmi Mittal