Custodian of the Two Holy Mosques King Salman and Crown Prince Muhammad Bin Salman, deputy premier and minister of defense, in their ihram dress during the Haj of 1419H. This rare photo is among the collection of historic pictures that are set to be posted on the Twitter page of King Abdulaziz Foundation for Research and Archives (Darah), Riyadh, on the occasion of Haj. — SPA.