RIYADH (Reuters) - Nearly 2 million Muslims will reach the end of the haj pilgrimage this week, but extreme heat has proved fatal for hundreds who began the journey last Friday to the Kaaba at the Grand Mosque in Mecca in Saudi Arabia... #Hajpilgrimage #climatechange #heat #extremeheat #heatstroke #riyadh #mecca #saudiarabia #grandmosque https://www.investing.com/news/commodities-news/climate-change-threat-hangs-over-haj-pilgrimage-as-hundreds-perish-in-heat-3489237