Secretary General of the Gulf Cooperation Council Dr. Nayef Falah Mubarak Al-Hajraf, appreciated the great efforts made by the government of the Custodian of the Two Holy Mosques, King Salman bin Abdulaziz Al Saud towards serving the holy sites and pilgrims. He congratulated Saudi leaders and people on the occasion of the blessed Eid Al-Adha and on the occasion of the success of the Hajj season in 1441 AH.