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BELEK, TURKEY - NOVEMBER,15: Russian President Vladimir Putin arrives to the BRICS leaders meeting prior to G20 Antalya Summit in Belek, near Antalya on November 15, 2015 in Turkey. World leaders, delegates and media are attending the summit in Turkey in the wake of the Paris terror attacks which were claimed by Islamic State. The need to address the situation in Syria and the migration crisis will be high on the aganda. (Photo by Sasha Mordovets/Getty Images)

BELEK, TURKEY - NOVEMBER,15: Russian President Vladimir Putin arrives to the BRICS leaders meeting prior to G20 Antalya Summit in Belek, near Antalya on November 15, 2015 in Turkey. World leaders, delegates and media are attending the summit in Turkey in the wake of the Paris terror attacks which were claimed by Islamic State. The need to address the situation in Syria and the migration crisis will be high on the aganda.  (Photo by Sasha Mordovets/Getty Images)