epa01679753 Police officers arrest a protestor in Berlin, Germany, 28 March 2009. Overshadowed by riots, thousands of capitalism opponents demonstrated against the policy of the large industrial nations. On the occasion of a world finance summit of the 20 largest industrialised and newly industrialising countries at the beginning of April 2009 in London, protest marches also took place in several other European cities. EPA/Klaus-Dietmar Gabbert