being detained by the police to mostly those who are trying to block the streets. today sunday marks the two hundredth birthday of pioneering german philosopher karl marx people across the world have been celebrating on the beijing the legacy of his works which but trade couple is a modern exploited on sustainable system our europe correspondent peter all over explores why it is that the iconic thinker still captures the imagination of so many. germany is commemorating one of its most famous and controversial think it is such a day is the two hundredth anniversary of the birth of the author of the communist manifesto karl marx to say that his ideas of class struggle and the overthrow of the ruling classes by the workers were hundred maying divisive here well that is beyond understatement marx's ideas were truly at the root of the ideological division between east and west germany post world war two but that's not stopping his place of birth tree in the south west from hosting