Ambassador of Mongolia H.E. Mr. Bold Ravdan met with Dr. Mustafa Tuna, Mayor of Ankara Metropolitan Municipality at his office and discussed about future cooperation between Ankara and Ulaanbaatar. Both sides agreed to deepen and further develop the sister city relations established between the districts of two capitals. Previously, Dr. Mustafa Tuna has developed close relations with the Chingeltei district of Ulaanbaatar, during the time he was serving as the Governor of Sincan district of Ankara.