James Turrell unveils "As Seen Below" subterranean Skyspace at ARoS Aarhus Art Museum

American artist James Turrell has created "As Seen Below," a 40-metre-wide subterranean Skyspace at the ARoS Aarhus Art Museum in Denmark. Designed in collaboration with Schmidt Hammer Lassen, the domed extension features a six-metre-wide central aperture at its apex that frames