VAN, TURKEY - APRIL 16: A Kyrgyz man, who migrated to Van from Afghanistan's Pamir tableland, casts his vote with his traditional outfits in the constitutional referendum at a polling station in Van, Turkey on April 16, 2017. Turkish people head to the polls on Sunday to vote on the proposed change to a presidential system to replace the parliamentary democracy, with 18 articles proposed to be amended in the constitution.
  (Photo by Ozkan Bilgin/Anadolu Agency/Getty Images)
VAN, TURKEY - APRIL 16: Kyrgyz people, who migrated to Van from Afghanistan's Pamir tableland, cast their votes with their traditional outfits in the constitutional referendum at a polling station in Van, Turkey on April 16, 2017. Turkish people head to the polls on Sunday to vote on the proposed change to a presidential system to replace the parliamentary democracy, with 18 articles proposed to be amended in the constitution.
  (Photo by Ozkan Bilgin/Anadolu Agency/Getty Images)
VAN, TURKEY - APRIL 16: A Kyrgyz man, who migrated to Van from Afghanistan's Pamir tableland, casts his vote with his traditional outfits in the constitutional referendum at a polling station in Van, Turkey on April 16, 2017. Turkish people head to the polls on Sunday to vote on the proposed change to a presidential system to replace the parliamentary democracy, with 18 articles proposed to be amended in the constitution.
  (Photo by Ozkan Bilgin/Anadolu Agency/Getty Images)
VAN, TURKEY - APRIL 16: A Kyrgyz man, who migrated to Van from Afghanistan's Pamir tableland, casts his vote with his traditional outfits in the constitutional referendum at a polling station in Van, Turkey on April 16, 2017. Turkish people head to the polls on Sunday to vote on the proposed change to a presidential system to replace the parliamentary democracy, with 18 articles proposed to be amended in the constitution.
  (Photo by Ozkan Bilgin/Anadolu Agency/Getty Images)