9وَجَعَلنا مِن بَينِ أَيديهِم سَدًّا وَمِن خَلفِهِم سَدًّا فَأَغشَيناهُم فَهُم لا يُبصِرونَFaridul HaqueAnd We have set a wall before them and a wall behind them, and covered the top – so they are unable to see anything.