Check out this giant lightshow put on by a group of students at Wrocław University of Technoloy in Poland who call themselves Projekt P.I.W.O.

This isn't the first time I've posted about these urban "artforms" but this is certainly the best and longest.  It includes classics like Tetris and Pong but also things like Dr. Mario and Michael Jackson... yes, Michael Jackson.

via Engadget