Carsten Höller Seven Sliding Doors Corridor (Outdoor Version)  /  2021  /  Materials: powdercoated steel, different types of two way mirror, electric motors, door mechanism, wiring, movement detectors, galvanised mesh flooring  /  270 x 1542 x 388 cm  /  Courtesy: Carsten Höller and Luma Arles, France; Photo: Adrian Deweerdt