This material was used for both I Have Been to the Mountain in the MLK Reflection Park and Hero (-5[1])Construction by Richard Hunt. Dia Beacon and the Guggenheim Bilbao dedicate large rooms to Torqued Ellipses of this material. (10[1]-5[1])Before dying (10[1])in a 1965 car crash, an abstract expressionist sculptor used this material for the Agricola (10[1])and Cubi series. (10[1]-5[1])A debate over public art ended in federal workers forcing (-5[1])the removal of a slab of this material (-5[1])from Foley (-5[1])Square. (10[1]-5[1])This (10[1])favorite material of David Smith (10[1])makes up large site-specific pieces (10[1])like Tilted Arc by Richard Serra. (10[1]-5[1])An artist painted (10[1])this material vermillion for an (10[1])arcing sculpture (10[1])at Chicago’s (10[1])Federal Plaza (10[1])titled (-5[1])Flamingo. (10[1])For 10 points, the monumental (10[2])“stabiles” of Alexander Calder are welded together (10[1])from the COR-TEN type of what (10[2]-5[1])metal? (10[1])■END■ (10[9]0[6])