A protester stands among banners with various anti-austerity slogans during a protest outside Health Ministry in Athens. (November 29, 2013)

Farmers clash with riot police outside Greece's parliament in Athens. (December 20, 2013)

Farmers throw a box with oranges at riot police outside Greece's parliament in Athens. (December 20, 2013)

A homeless person sleeps on a sidewalk between parked motorcycles in Athens during the International Day for the Eradication of Poverty. (October 17, 2013)

A man holds a plastic bag with tomatoes as Greek market vendors hand out free food during a protest in Athens as the union of Greek farmers markets went on strike. (May 15, 2013)

Striking metro workers hold a plastic sheet to protect them from the rain at the central depot in Athens. (January 24, 2013)

A protesting school security worker holds an umbrella over a riot policeman as her colleagues take cover under a plastic sheet during a rally in front of the Greek Parliament in Athens. (November 6, 2013)

A protesting school security worker holds an umbrella over a riot policeman as her colleagues take cover under a plastic sheet during a rally in front of the Greek Parliament in Athens. (November 6, 2013)

Riot police use shields to move away supporters of detained protesters from outside the Labor Ministry in Athens. (January 30, 2013)

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A protester holds his head behind a banner during a protest outside Health Ministry in Athens. (November 29, 2013)

A man rides his bicycle next to a lit Christmas sign reading ''Athens'' as a homeless man sleeps on a metro air vent above an underground station to warm up, at Omonia Square in central Athens. (December 16, 2013)