Walk into Glass Wall Illusion is an advertisement optical illusion.  I.C.U in south Africa created this eye catching add that definitely knows how to turn heads! Walking into a glass door has to hurt, the poor girl! With high quality printers you can get some very realistic sticker images, like the one below. at a glance you would most defiantly mistake it for areal girl.

She walked right in that that glass! ouch, that illusion would hurt!