Kielland explains how Mori implemented a number of sustainable systems to make sure the house would be efficient and up-to-date. In order to preserve the radiant heated floor, she chiseled the original floor off while cataloging all the stones the way they existed. After laying down the radiant heated Bluestone floors, she pieced it back together like a puzzle. She also dug a well under the kitchen area to house the mechanicals of the house.  Photo 4 of 9 in Marcel Breuer’s Revived Home Could be Yours for Just Under $5 Million