RIYADH, 23 March — Riyadh Governor Prince Salman will inaugurate tomorrow a six-day international symposium on ecotourism at the King Fahd Cultural Center here. The symposium, being held to mark the International Year of Ecotourism, is co-organized by the National Commission for Wildlife Conservation and Development and the Supreme Commission for Tourism. Experts from the Kingdom and abroad will participate in the symposium, which will begin with a statement from Prince Sultan, second deputy premier and minister of defense and aviation, who is also the chairman of NCWCD.