the beautiful chalk art of Julian Beever. Julian is famous for his incredible chalk art he draws in the streets. It is carefully drawn at incredible angles so that when the viewer stands in front of it, the art looks like it jumps off the street comp
Waterfall Illusion - Another great optical illusion of a waterfall drawn on concrete. German artist Edgar Mueller creates large scale, three-dimensional art using an unusual canvas – his works are painted on ordinary sections of sidewalks.