Sculpture consisting of concentric circles of tubular iron painted in amaranth-red that rotate around a central axis. Its appearance changes according to the observer's point of view.
Rights: CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) released by Fondazione Karl Schmid, CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/) released by Fondazione Karl Schmid