Strained Expression Credit: Isaac Cordal on Diminutos (via WaybackMachine) What am I looking at? This is a test for an urban installation projecting shadows with the city lighting, done by Isaac Cordal. The strained expression on the face was not an accident. Here is another of his tests, posted on his WordPress site. More optical illusions:Cup Half FullGoofy TreePM HummingbirdFootprint in the sandFlying F1 CarSelf-assemblyImpossible woodworkCat defies gravity