Supporters of the opposition Democratic Progressive Party (DPP) take part in a mass protest against Taiwan President Ma Ying-jeou in Taipei May 17, 2009. The DPP led a march with an expected turnout of 300,000 through downtown Taipei on Sunday against Ma's China-friendly policies. A further 100,000 are set to attend an all-night sit-in outside the presidential office after the rally. REUTERS/Nicky Loh (TAIWAN POLITICS CONFLICT)