The Invasion Source/credit: Paul Tsui and National Geographic What am I looking at? This picture was entered into National Geographic travel photo competition by Paul Tsui. It depicts a real scene of Macau, with the Grand Lisboa Hotel looming in the background. More optical illusions:The eye of the towerDog jumping a giant holeLap TigerNobody's cowA Little ArmyCat AccidentRainbow RoadDog Head Mount
