BAKU, AZERBAIJAN - SEPTEMBER 15: President of Turkey Recep Tayyip Erdogan (R) visits Baku Turkish Martyrs' Memorial with Azerbaijani President Ilham Aliyev (L) in Baku, Azerbaijan on September 15, 2018. Turkish President Erdogan arrived in Baku to attend a ceremony to mark Azerbaijan's centenary of independence with his Azerbaijani counterpart Ilham Aliyev. Ercin Top / Anadolu Agency