Prince Saud bin Abdullah Bin Thinayan, the President of the Royal Commission for Jubail and Yanbu, will open on Sunday in the Industrial City of Jubail the First International Forum on "Cities Planning". The participants of the three-day Forum will review a number of issues including the strategic plans for cities as well as the modern styles of planning cities, neighborhoods and road networks. A number of city planning experts from Saudi Arabia and abroad will participate in the Forum.