We've featured parts of Prague's Black Rabbit 4 video by David Chvatal before. Those dudes are crushing it! And Jirka Hronek's Black Rabbit 4 part is no exception. Some heavy tech skills in this one. Jirka is destroying (not just) Stalin plaza – and that's a heavy statement given the list of people that have graced the red marble of Prague's famous square on top of river Vltava.