Beneath Irans Dusty Desert Lie Ancient Water Tunnels Still in Use | National Geographic

Thousands of years ago, Persians created an ingenious system to provide water across their arid landscape. They tapped aquifers at the heads of valleys and designed tunnels that utilized gravity to send the water to settlements. It’s now estimated that the combined length of all the underground channels, known as qanats, in Iran is equivalent to the distance between the Earth and the Moon. ➡ Subscribe: About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible. Get More National Geographic: Official Site: Facebook: Twitter: Instagram: At 102 years old, Gholamreza Nabipour is the oldest