In an effort to mimic the soft exterior of a real bed, Mr. Fischer coated one of the bed sculptures with white paint but then interrupted the smooth surface by pouring a pile of real concrete over it, weighing down one side of the sculpture's surface.
Shares of Akzo Nobel climbed by 3% to 42.60 euros on Wednesday after the Dutch paint maker announced that it had agreed to become Wal-Mart Stores' main supplier of interior and exterior paints at more than 3, 500 outlets in the United States.