In the central desert of Iran lies a city called Yasd, known as the city of wind towers. The construction is from around the 1400 and is a form of natural convection used to cool homes and wells. The wind is caught at the top and funneled down, the effect is Astounding! I was surprised at how much cooler it was under the tower, literally several degrees Celsius!... I have been told that a well with this construction can keep a steady 10 degree C even if the temperature above rises to a scorching 40! 
Persian well
In the central desert of Iran lies a city called Yasd, known as the city of wind towers. The construction is from around the 1400 and is a form of natural convection used to cool homes and wells. The wind is caught at the top and funneled down, the effect is Astounding! I was surprised at how much cooler it was under the tower, literally several degrees Celsius!... I have been told that a well with this construction can keep a steady 10 degree C even if the temperature above rises to a scorching 40! 
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2 comments:
Very fascinating stuff. Great use of color here too!
very cool!! beautiful work!
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