Argentina's President Mauricio Macri attends a session of the Summit of Heads of State of MERCOSUR and Associated States and 49th Meeting of the Common Market Council in Luque, Paraguay, December 21, 2015.

Argentina's President Mauricio Macri attends a session of the Summit of Heads of State of MERCOSUR and Associated States and 49th Meeting of the Common Market Council in Luque, Paraguay, December 21, 2015.

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