sentences:  In addition many of the rooms were refurnished and redecorated.Many of the marble floors have been restored in the staterooms and decorated with intarsia designs which include the double R monogram of Prince Rainier III.Together with his wife, the late Grace Kelly, Prince Rainier not only restored the palace, but from the 1970s also made it the headquarters of a large and thriving business, which encouraged light industry to Monaco, the aim of which was to lessen Monaco's dependence on the income from gambling.