At the Columbus College of Art and Design, two college students, known collectively as #dangerdust, sneak into an empty classroom each Sunday or Monday and create a staggering work of art out of nothing but chalk. Taking a page from Bansky, the unnamed pair are both seniors in Advertising & Graphic Design, but somehow have managed to spare time and energy to chalkboard masterpieces–some of which take 11+ hours to complete. View the article and some works here, and view their Twitter profile featuring more of their legit amazing works here.