World Grand Mosque Floor: The Cool Marble Secret for Hajj & Umrah Pilgrims by Ibrahim Khalil - World Editor February 21, 2026 by Ibrahim Khalil - World Editor February 21, 2026 The Cool Marble Beneath Your Feet: Thassos Marble at the Grand Mosque in Mecca Millions of Muslims visit the Grand Mosque in Mecca each year for Umrah or Hajj. To … 0 FacebookTwitterPinterestEmail