Greek farmers shout slogans and hold banners in central Athens of Greece, on March 5, 2013. Thousands of farmers from across Greece gathered in central Athens on Tuesday to rally in front of the parliament in protest of harsh austerity policies which have altered dramatically their everyday life over the past three years. (Xinhua/Marios Lolos)

Greek farmers shout slogans and hold banners in central Athens of Greece, on March 5, 2013. Thousands of farmers from across Greece gathered in central Athens on Tuesday to rally in front of the parliament in protest of harsh austerity policies which have altered dramatically their everyday life over the past three years. (Xinhua/Marios Lolos)

Greek farmers shout slogans and hold banners in central Athens of Greece, on March 5, 2013. Thousands of farmers from across Greece gathered in central Athens on Tuesday to rally in front of the parliament in protest of harsh austerity policies which have altered dramatically their everyday life over the past three years. (Xinhua/Marios Lolos)

Greek farmers shout slogans and hold banners in central Athens of Greece, on March 5, 2013. Thousands of farmers from across Greece gathered in central Athens on Tuesday to rally in front of the parliament in protest of harsh austerity policies which have altered dramatically their everyday life over the past three years. (Xinhua/Marios Lolos)