President of the Republic of Azerbaijan Ilham Aliyev, first lady Mehriban Aliyeva and vice-president of the Heydar Aliyev Foundation Leyla Aliyeva have viewed the 17th Azerbaijan International Travel and Tourism Fair, AITF 2018, and the 12th Caucasus International Hospitality Exhibition “Everything for Hotels, Restaurants and Supermarkets”, HOREX Caucasus 2018" at Baku Expo Center.