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:Goblin spy on a planeUp or Down?Raw ChickenA sorrowful rockFight against Cervical CancerStrained ExpressionDog jumping a giant holeEnormous cat napping