Qa'dah 19, 1431/Oct 27, 2010, SPA -- The Institute of the Custodian of the Two Holy Mosques for Hajj Research will participate in the Annual Exhibition of Bunyan to be organized by the Principality of Madinah Province in Madinah on Thursday. The Head of Department of Research and Information Affairs at the Institute Dr. Othman bin Bakar Qazzaz said that the pavilion of the Institute at the Exhibition aims to highlight the programs, studies, researches, and educational activities carried out by the Institute for the development of the services provided to pilgrims, visitors of the Prophet's Holy Mosque and Umrah performers.