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:Grate View of Central ParkEyeglassesSome shiny legsWireless BirdMysterious treeStretchy CatDog head floatingFloor Color Creates Extra Dimension