The History of the Qanat Underground Water Systems | Calm History for Sleep | 4 Hours

The History of The Qanat Underground Water Systems of Ancient Iran (800 BCE to 1900 CE) — 04:59:03 of calm, deeply researched world history storytelling designed for peaceful evening listening, relaxation, and restful sleep. This episode details the mother well (madar chah), vertical ventilation shafts, gradient leveling with plumb bobs and oil lamps, the Gonabad and Zarch qanats, water-clock time-shares (fenjaan), and desert ice-houses (yakhchal). Across twelve full-length chapters covering Gonabad,.