The Director General of Islamic, Educational, Scientific and Cultural Organization (ISESCO) Dr. Abdulaziz Al-Tuwaijeri emphasized the presence of the Muslim world at the international arena. In a coordinating meeting of heads of delegations of the Organization of Islamic Conference participating in the 33 session of UN Educational, Scientific and Cultural Organization (UNESCO) held here today, he requested that the heads of the Islamic delegations call on the United Nations so that ISESCO participates in efforts aiming at enhancing alliance among civilizations.