Vice-Custodian of the Two Holy Mosques received here today Netherlands' Crown Prince Willem-Alexander, Prince of Orange and Chairman of the Advisory Commission of United Nations Secretary General for Water and Sanitation Affairs. Prince Willem conveyed to the Vice- Custodian of the Two Holy Mosques the greetings of Queen Beatrix of the Netherlands. In turn, Prince Sultan sent his greetings to the queen. Prince Willem expressed his pleasure over meeting the Vice-Custodian of the Two Holy Mosques. In his capacity as the Commission's Chairman, he expressed his appreciation of Prince Sultan bin Abdulaziz for his efforts represented in the establishment of the award aimed at promoting efforts to achieve water security and issues of water of concern in the world. The audience was attended by Prince Salman bin Abdulaziz, the Governor of Riyadh region, Prince Khalid bin Sultan bin Abdulaziz, Assistant Minister of Defense and Aviation and Inspector General for Military Affairs and Chairman of Council of Prince Sultan bin Abdulaziz World Award for Water and a number of ministers and officials.