(Al-Mursalath) 77 : 33
كَأَنَّهُ جِمَالَتٌ صُفْرٌ

And they will be like yellow-colored camels.

These verses portray the severity of the huge flame and its sparks. Since the Arabs were familiar with palaces and camels, the fire is compared with them. See explanation 76: 21.