Nowadays everybody can be a 'Pavement Picasso' with Crayola 3D Sidewalk Chalk but you'll need those stupid glasses to see the effect. Julian Beever is a chalk artist from the UK who creates pretty amazing 3D optical illusions using nothing but plain oldskool chalk.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3KtFXtZ_pwGlh16npLTyoJQkZpyPettOAcuPEyCj8XsFOgkvgK-Tdg6akYxQN8cHM4wlj2299h9u-l2HLdAMqPXWMxNu0qtn9Ywfya8wumg_kxYr2xRabB8irVsVkkFGWoj43bM7u9UMk/s400/18074_f520.jpg)