The pavilion of the Kingdom of Saudi Arabia in Zaragoza International Exhibition for Water, ongoing in the Spanish city of Zaragoza, held today a ceremony celebrating the national day of the kingdom, a day assigned by the exhibition's organizing committee to each participating country. The ceremony was attended by Prince Saud bin Naif bin Abdulaziz, the Saudi Ambassador to Spain, and other officials. Speeches were delivered to highlight strength of Saudi-Spanish relations, the importance of conserving water and the Saudi efforts in this area. Then, a documentary on the kingdom was shown. Afterwards, a number of folkloric arts were demonstrated.