In this artwork, how is the abstract discussed?
Birds of Knowledge of Good and Evil is  a public artwork by Polish sculptor Magdalena Abakanowicz. It is located on the Kilbourn Avenue boulevard in Milwaukee, Wisconsin, United States. The 2001 aluminum sculpture consists six pieces organized in columns. The column heights are 4–6 meters, and the dimensions of the birds are: height 100–160 cm, width 190–260 cm, length 120–135 cm.
Milwaukee Polish Magdalena Abakanowicz public artwork Wisconsin aluminum