Screw hole Source/credit: esberat What am I looking at? This is not a screw hole in wood, but a giant sinkhole in Konya, Turkey. The region has hundreds of sinkholes due to extreme droughts. Look close at the image below and see the people and cars to understand the scale of the image. A lack of context creates a forced perspective. More optical illusions:Bending the WallsIn Search for WaterWhat big mouth you have!Trail Runner Going into the WoodsFloating either wayAerial View of a BeachTetanus RainbowSome shiny legs