The Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud will patronize tomorrow the ceremony of laying the foundation stone for Makkah-based Holy Mosque expansion project. This phase of expansion is considered to be the biggest of its kind throughout the history of expanding the Two Holy Mosques, and it comes in completion of a tradition initiated by the Founder King Abdulaziz bin Abdulrahman. Besides patronizing the ceremony of laying down the foundation stone, the Custodian of the Two Holy Mosques will inaugurate Makkah Clock, the world's highest, which he ordered to be made. -- SPA