Tunisian President Zine El Abidine Ben Ali opened here today the International Conference on Dialogue of Civilizations and Cultural Diversity sponsored by the Tunisian Ministry of Culture, the Islamic Educational, Scientific and Cultural Organization (ISESCO) and the International Organization of la Francophonie. The opening session was attended by Saudi Minister of Culture and Information Dr. Abdulaziz bin Mohieddin Khoja who is the guest of honor; Saudi Ambassador to Tunisia Ibrahim Al-Saad Al-Brahim and representatives of Arab, Muslim and foreign countries as well as representatives of regional and international organizations. The three-day conference will address a number of issues pertaining to the mechanisms to build a dialogue of civilizations.