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A woman with a child passes riot police officers during a rally in front of the Greek parliament on November 18, 2015 in Athens. Thousands of farmers protesting over planned tax and pension reforms demanded by the country's bailout creditors have clashed outside of the Greek parliament with police, who used tear gas to disperse them. Some 6,000 farmers gathered on central Syntagma Square according to police, who fired tear gas when a group of them tried to enter parliament. AFP PHOTO/LOUISA GOULIAMAKI (Photo credit should read LOUISA GOULIAMAKI/AFP/Getty Images)

A woman with a child passes riot police officers during a rally in front of the Greek parliament on November 18, 2015 in Athens. Thousands of farmers protesting over planned tax and pension reforms demanded by the country's bailout creditors have clashed outside of the Greek parliament with police, who used tear gas to disperse them. Some 6,000 farmers gathered on central Syntagma Square according to police, who fired tear gas when a group of them tried to enter parliament. AFP PHOTO/LOUISA GOULIAMAKI        (Photo credit should read LOUISA GOULIAMAKI/AFP/Getty Images)