Verily, it throws sparks as Al-Qasr,meaning, its sparks will shoot out from its flame like huge castles.Ibn Mas`ud said, "Like forts."Ibn `Abbas, Mujahid, Qatadah and Malik who reported from Zayd bin Aslam and others said,"This means the trunk of trees."كَأَنَّهُ جِمَالَتٌ صُفْرٌ