Ancient Persians’ ingenious way of keeping cool (and whose technology could be used again)

The city of Yazd, in the Iranian desert, was long the cradle of creative ingenuity.

It houses ancient marvels of engineering including an underground cooling structure called yakhchal, an underground irrigation system called qanat; and even a messaging network called pyrradazis It is 2,000 years older than the US Postal Service.

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Helen Hernandez is our best writer. Helen writes about social news and celebrity gossip. She loves watching movies since childhood. Email: Phone : +1 281-333-2229

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