Prince Salman bin Abdulaziz, the Governor of Riyadh, Chairman of Board of Directors of King Abdulaziz Foundation for Research and Archives, and the Supervisor of the project of Hajj and Two Holy Mosques Encyclopedia inaugurated here today the launch of the scientific and research works of the project of Hajj and Two Holy Mosques Encyclopedia to be achieved by King Abdulaziz Foundation in cooperation with the Institute of the Custodian of the Two Holy Mosques for Hajj Research in Makkah. During his visit to Umm Al-Qura University, he also inaugurated an exhibition on King Abdulaziz Life prepared by King Abdulaziz Foundation in cooperation with Umm Al-Qura University. Upon arrival at the venue, Prince Salman was received by Umm Al-Qura University Rector Adnan bin Mohammed Wazan and a number of officials. A speech ceremony was held on this occasion.