Keywords: Wind-Tower-and-Qanat-Cooling-1 DE.svg Illustration of use of wind tower and qanat for cooling Illustration based on concepts as discussed in article by Bahadori M N titled Passive Cooling Systems in Iranian Architecture Scientific American February 1978 pages 144-154 Wind-Tower-and-Qanat-Cooling-1 jpg Wind-Tower-and-Qanat-Cooling-1_DE jpg 2010-01-14 14 33 UTC Wind-Tower-and-Qanat-Cooling-1 jpg Williamborg <span class signature-talk >talk</span> derivative work Christian Lindecke <span class signature-talk >talk</span> derivative work Monsih <span class signature-talk >talk</span> Qanat Windcatchers SVG diagrams in German |