While it’s hard to imagine anything more idyllic than a clear, blue sky, the general willingness to accept that the sky could be either clear or blue—impressions caused by the scattering of the sun’s light by molecules in the atmosphere—is disturbing, in that it speaks to our compliance in accepting what we observe on a…

In Olafur Eliasson’s exhibition, a pyramid hangs down from a height of 20 meters. The Open Pyramid (2016), created to a scale almost as alarming as that of the Egyptian pyramids, fills a stretch of space from wall to wall. Propped up by walls on either side, the bottom four corners of the pyramid are…