Analysis of information sources in references of the Wikipedia article "Liste des plus anciennes mosquées" in French language version.
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« With thousands of Hajjis, most of them in motor vehicles, rushing headlong for Muzdalifah, the potential is there for one of... There is special grace for praying at the roofless mosque in Muzdalifah called al-Mash'ar al-Haram (the Sacred Grove)... »
« Muzdalifah is an open plain sheltered by parched hills with sparse growth of thorn bushes. The pilgrims spend a night under the open sky of the roofless Mosque, the Sacred Grove, Al Mush'ar al-Haram. On the morning of the tenth, all depart... »
« It was still dark when we arrived at Muzdalifah, four miles away. The Koran instructs us to spend the night at al-Mash'ar al-Haram. the Sacred Grove at Muzdalifah, as one of the conditions for the hajj. We scrambled out of the bus and looked... »