A protester shouts slogans as he marches towards the parliament with others during a general labour strike in Athens April 9, 2014. Greek labour unions staged a nationwide strike on Wednesday to protest against austerity policies imposed on the country by its foreign creditors, including Germany, whose Chancellor Angela Merkel will visit Athens this week. REUTERS/Yorgos Karahalis (GREECE - Tags: POLITICS BUSINESS CIVIL UNREST)