Prince Salman Bin Abdul Aziz, the Governor of Riyadh Province, who is also Chairman of the High Commission for the Development of Arriyadh, chaired in Riyadh Tuesday evening a joint meeting of the Commission and the Supreme Executive Committee of Projects and Planning. The meeting discussed the progress of works in 59 developmental projects currently being executed in Riyadh in the fields of road networks, general services, health, education, recreation, tourism, economy, administration, culture and scientific centers. (SPA) __