
EnvironmentApril 1, 1968
The Qanats of Iran
Some 3,000 years ago the Persians learned how to dig underground aqueducts that would bring mountain ground water to arid plains. Today the system provides 75 percent of the water used in Iran

The Qanats of Iran
Some 3,000 years ago the Persians learned how to dig underground aqueducts that would bring mountain ground water to arid plains. Today the system provides 75 percent of the water used in Iran