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:Cat's faceBird in the SkyNASA doctored photos?Shadow catHeadless playerNext to the boatBent over the deskDog jumping over Manhattan
