That artist placed shattered glass all over a red floor next to a life-sized effigy of John Paul II crushed by a meteor in his sculpture The Ninth Hour.
An artist from this country planted an iron plinth upside-down into the ground and called the entire Earth his work of art in Base of the World. In a work called HIM, an artist from this country sculpted a schoolboy with the head of Hitler kneeling in prayer. That artist placed shattered glass all over a red floor next to a life-sized effigy of John Paul II crushed by a meteor in his sculpture The Ninth Hour. Another artist from this country blew up a red balloon and sold it as Artist's Breath, and followed it up with small yellow cans containing the titular Artist's Shit. A Greek-born artist brought twelve live horses to the opening of a gallery in this country and tethered them to the walls as an installation piece. This country was home to (*) Jannis Kounellis as well as the founder of the Spatialism movement, who slashed colored canvases with a knife. For 10 points, name this country home to the Arte Povera movement, which included Piero Manzoni and Lucio Fontana.
An artist from this country planted an iron plinth upside-down into the ground and called the entire Earth his work of art in Base of the World.
Italy