Masked protesters throw rocks at policemen following an anti-austerity march during a 24-hour strike in Athens February 20, 2013. Tens of thousands of Greeks took to the streets of Athens on Wednesday during a nationwide strike against wage cuts and high taxes that kept ferries stuck in ports, schools shut and hospitals with only emergency staff. REUTERS/Costas Baltas/ICON (GREECE - Tags: BUSINESS POLITICS EMPLOYMENT CIVIL UNREST)
Masked protesters throw rocks at policemen following an anti-austerity march during a 24-hour strike in Athens February 20, 2013. Tens of thousands of Greeks took to the streets of Athens on Wednesday during a nationwide strike against wage cuts and high taxes that kept ferries stuck in ports, schools shut and hospitals with only emergency staff. REUTERS/Costas Baltas/ICON (GREECE - Tags: BUSINESS POLITICS EMPLOYMENT CIVIL UNREST)