Greek indignant protesters clash with riot police in front of the Parliament in the Greek capital of Athens on March 10, 2013. About 500 indignant protesters come to Syntagma square to protest the harsh and painful austerity measures carried out by the government to counter debt crisis. (Xinhua/Marios Lolos)

Greek indignant protesters clash with riot police in front of the Parliament in the Greek capital of Athens on March 10, 2013. About 500 indignant protesters come to Syntagma square to protest the harsh and painful austerity measures carried out by the government to counter debt crisis. (Xinhua/Marios Lolos)

Greek indignant protesters clash with riot police in front of the Parliament in the Greek capital of Athens on March 10, 2013. About 500 indignant protesters come to Syntagma square to protest the harsh and painful austerity measures carried out by the government to counter debt crisis. (Xinhua/Marios Lolos)

Greek indignant protesters clash with riot police in front of the Parliament in the Greek capital of Athens on March 10, 2013. About 500 indignant protesters come to Syntagma square to protest the harsh and painful austerity measures carried out by the government to counter debt crisis. (Xinhua/Marios Lolos)

Greek indignant protesters clash with riot police in front of the Parliament in the Greek capital of Athens on March 10, 2013. About 500 indignant protesters come to Syntagma square to protest the harsh and painful austerity measures carried out by the government to counter debt crisis. (Xinhua/Marios Lolos)