Wind turbines Source/credit: gsuhrie What am I looking at? What happened in this photo is that it was a long exposure photo. The blades have become invisible, and the shadows of the poles are cast onto the blades instead of just in the sky. More optical illusions:Calm LakePixeled skyBack to SchoolMisaligned ArrowSunken police carBaby BigfootCollage illusion of shipAerial View of a Beach