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A Persian friend told me about the historical use of underground tunnels to transport water from the mountains for irrigation - https://en.wikipedia.org/wiki/Qa
by celias 7y ago
A Persian friend told me about the historical use of underground tunnels to transport water from the mountains for irrigation - https://en.wikipedia.org/wiki/Qanat https://en.wikipedia.org/wiki/Qanat
- Alkhwarizmi 7y agoMind you this system of irrigation and water systems predates the romans! This was an insane engineering and creative solution to a necessity.