Windcatcher (Baad-gir)

A windtower (wind catcher) (Persian : بادگیر ‎ bâdgir : bâd "wind" + gir "catcher") is a traditional Iranian architectural element to create natural ventilation in buildings.  Windcatchers come in various designs: unidirectional, bidirectional, and multidirectional.

Watch:

Ancient Persian Air Conditioning

Wind Tower Cooling System Introduction