Yakhchal or Ice House, Abarqu (5 images)

An ice house or Yakhchal, an ancient refrigerator allowing the storage of ice in.the desert in summer. It was collected in winter and kept cool by its shape and walls.made from special mortar called s_rooj, composed of sand, clay, egg whites, lime,.goat hair, and ash, which was resistant to heat transfer. Abarqu, Iran, 2008