Undersecretary of the Ministry of Water and Electricity for Water Affairs Dr. Ali bin Saad Al-Tokhais received at the headquarters of the Saudi pavilion participating in the international water exhibition, Expo Zaragoza 2008: Water and Sustainable Development, in the Spanish city of Zaragoza today the head of the Slovak pavilion Dosan Horniak. During the meeting, they discussed issues of interest pertaining to water and the importance of its conservation. Meanwhile, the number of visitors to the Saudi pavilion yesterday reached about 9000 visitors.