Prince Sattam bin Abdul-Aziz, the Governor of Riyadh region and Chairman of the Region's Tourism Development Council, will patronize here on Monday a ceremony to launch Saudi Arabia's Summer Festivals Program For the year 1433H. The event will be held in the presence of Prince Sultan bin Salman bin Abdulaziz, President of the Saudi Commission for Tourism Antiquities and a number of tourist officials as well as officials of the organizing committees for the summer festivals. During the ceremony, details of summer festivals and events in the regions of the Kingdom will be announced.