Around Al-Rahma, or Mercy, hill, tall water-misting columns were spraying water on pilgrims on Sunday who gathered at Mount Arafat as part of the Hajj rituals for day-long worship and reflection. At Mina and the Grand Mosque, cooling stations on the roads leading to the mount and in its surrounding areas sprayed pilgrims with water to help combat the heat, which had already climbed to 47C (116.6 F) at Mount Arafat, according to Saudi Arabia’s National Centre for Meteorology. Saudi authorities expect the number of pilgrims this year to exceed two million, approaching pre-coronavirus pandemic le…