 In 2005 , Millennium Park was marked for updates and improvements . Benches were to be added to the 56 original benches . Landscape architect Kathryn Gustafson designed 14 new 320 @-@ pound ( 145 @.@ 1 kg ) , aluminum “ Maggie benches ” benches in Millennium Park , mostly in Wrigley square , in honor of Mayor Daley ’ s wife . 
