At first glance, we see an abstract design: sinuous lines of alternating black and white triangles reminiscent of illusionist artist M.C. Escher. But a second look reveals details that show this is, in fact, a physical location. Look at the lower left corner. A grid of metal rods suggests that these triangular designs are in fact window coverings, so this must be a skyscraper. Imagine the dizzying effect the entire building façade creates! The photographer took this photo in Adelaide, Australia — if you happen to be there, you can see it for yourself!