Khobar, Saudi Arabia, Nov. 27, SPA -- Prince Mohammed bin Fahd bin Abdulaziz, the Governor of the Eastern Region, inaugurated here today the Exhibition of Gigantic Engineering Projects in the Region over 20 Years, organized by Saudi Engineers Association. Prince Mohammed cut a ribbon marking the opening of the exhibition and toured it watching its contents. In a press statement, he estimated the projects executed over the last 20 years at SR 100 billion in addition to Saudi Aramco's projects.