ATHENS, GREECE - NOVEMBER 17: Protesters, are seen during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, hold flags during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', clash with police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', clash with police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: A protester throws molotov bombs to police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: A protester throws molotov bombs to police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', clash with police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', clash with police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: A protester throws molotov bombs to police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', throw molotov bombs to police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', clash with police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', clash with police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: A protester throws molotov bombs to police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', clash with police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )

ATHENS, GREECE - NOVEMBER 17: Protesters, identify themselves as 'anarchists', clash with police members during a march in homage to the victims of a 1973 uprising against the military junta that ruled Greece from 1967 to 1974, at Exarcheia district in Athens, Greece, on November 17, 2016. Events are being held throughout Greece to mark the 43rd anniversary of the student uprising of 17 November 1973. ( Ayhan Mehmet - Anadolu Agency )