Prince Misha'al bin Abdulaziz, the Chairman of Allegiance-Pledge Commission has described the 12 Consultative Meeting of Leaders of Gulf Cooperation Council (GCC) states due to start in Riyadh later today as an affirmation of the ties of affinity bringing the GCC leaders together and completion of the unified action system. Prince Misha'al said that the patronage of the Summit by the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz and his meeting with the GCC leaders show the King's support for the Gulf unified action, which serves the interest of the GCC peoples and increases cohesion among them. Prince Misha'al wished that these meetings will lead to further progress and prosperity of GCC and Arab peoples and their countries, also wishing the Consultative Summit all success. On the other hand, Prince Misha'al visited here on Monday 13th Riyadh Exhibition for Real Estate and Architecture Development. The prince opened Ajmakan Project belonging to Al-Shua'la Holding Company. Prince Misha'al was accompanied by Prince Abdulaziz bin Misha'al bin Abdulaziz, the Company's Executive President; Prince Bandar bin Misha'al bin Abdulaziz; and Prince Saud bin Misha'al bin Abdulaziz.