CROWN PRINCE SULTAN BIN ABDULAZIZ, DEPUTY PREMIER, MINISTER OF DEFENSE AND AVIATION AND INSPECTOR GENERAL, GRACED IN RIYADH TONIGHT THE OPENING CEREMONY OF THE SECOND CONFERENCE ON WATER RESOURCES AND DRY ENVIRONMENT AND THE GIVING AWAY OF PRINCE SULTAN BIN ABDULAZIZ INTERNATIONAL PRIZE FOR WATER. UPON ARRIVAL AT THE VENUE, CROWN PRINCE SULTAN WAS RECEIVED BY PRINCE NAIF BIN ABDULAZIZ, MINISTER OF INTERIOR; PRINCE KHALID BIN SULTAN BIN ABDULAZIZ ASSISTANT MINISTER OF DEFENSE AND AVIATION AND INSPECTOR GENERAL FOR MILITARY AFFAIRS. THEN CROWN PRINCE SULTAN GAVE AWAY PRIZES TO WINNERS.