ISTANBUL, TURKEY - OCT. 20: An official ceremony welcoming the 9th D-8 Organization for Economic Cooperation Summit participants ahead of a banquet hosted by Turkish President Recep Tayyip Erdogan (not seen) at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017.
ISTANBUL, TURKEY - OCT. 20: An official ceremony held with Janissary Band to welcome 9th D-8 Organization for Economic Cooperation Summit participants ahead of a banquet hosted by Turkish President Recep Tayyip Erdogan (4th R) at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017.
ISTANBUL, TURKEY - OCT. 20: Turkish President Recep Tayyip Erdogan (C) shakes hands at a banquet hosted by him in honor of 9th D-8 Organization for Economic Cooperation Summit participants at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017.
ISTANBUL, TURKEY - OCT. 20: A soldier holds a Turkish flag ahead of a banquet hosted by Turkish President Recep Tayyip Erdogan (not seen) in honor of 9th D-8 Organization for Economic Cooperation Summit participants at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017.
ISTANBUL, TURKEY - OCT. 20: Turkish President Recep Tayyip Erdogan (L), Turkish Prime Minister Binali Yildirim (R) and Guinean President Alpha Conde (C) attend a banquet hosted by Erdogan in honor of 9th D-8 Organization for Economic Cooperation Summit participants at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 201
ISTANBUL, TURKEY - OCT. 20: A Turkish Navy ship passing by during a banquet hosted by Turkish President Recep Tayyip Erdogan (not seen) in honor of 9th D-8 Organization for Economic Cooperation Summit participants at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017
ISTANBUL, TURKEY - OCT. 20: A soldier holds a Turkish flag ahead of a banquet hosted by Turkish President Recep Tayyip Erdogan (not seen) in honor of 9th D-8 Organization for Economic Cooperation Summit participants at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017.
ISTANBUL, TURKEY - OCT. 20: Banquet hosted by Turkish President Recep Tayyip Erdogan in honor of 9th D-8 Organization for Economic Cooperation Summit participants at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017.
ISTANBUL, TURKEY - OCT. 20: An official Janissary Band ceremony welcoming the 9th D-8 Organization for Economic Cooperation Summit participants ahead of a banquet hosted by Turkish President Recep Tayyip Erdogan (not seen) at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017.
ISTANBUL, TURKEY - OCT. 20: Iran's First Vice President Eshaq Jahangiri (R) arrives to attend a banquet hosted by Turkish President Recep Tayyip Erdogan (not seen) in honor of 9th D-8 Organization for Economic Cooperation Summit participants at Dolmabahce Palace in Istanbul, Turkey on Oct. 20, 2017