ISTANBUL, TURKEY - OCTOBER 18: In this handout photo provided by the German Government Press Office (BPA), German Chancellor Angela Merkel and Turkish President Recep Tayyip Erdogan talk at the start of their meeting at the Yildiz Palace on October 18, 2015 in Istanbul, Turkey. Merkel also met Turkish Prime Minister Ahmet Davutoglu earlier today. (Photo by Guido Bergmann/Bundesregierung via Getty Images)