On behalf of Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud, Prince Sultan bin Salman bin Abdulaziz, President of the Saudi Commission for Tourism and Antiquities, opened here today the First International Conference on Architectural Heritage in the Islamic Countries. The opening was attended by Prince Mansoor bin Miteb bin Abdulaziz, Minister of Municipal and Rural Affairs. Following a show on the sites of the architectural heritage in the Islamic countries, A speech ceremony was held on the occasion.