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They also have incredible underground aqueducts that have been maintained for thousands of years. Smart people.

• mehrdadn 7y ago
  3000 years old: https://www.nationalgeographic.com/news/2017/05/iran-qanat-irrigation-engineering-history-video/ https://www.nationalgeographic.com/news/2017/05/iran-qanat-i... > The technology spread, through Silk Road trade and Muslim conquest, and qanats can be found as far as Morocco and Spain.
  • dghughes 7y ago
    Petra in Jordan also has water system although not tunnels.
    • jeltz 7y ago
      Other ancient cities in Jordan had tunnels (https://en.wikipedia.org/wiki/Gadara_Aqueduct https://en.wikipedia.org/wiki/Gadara_Aqueduct). These tunnels, which are thought to be originally from Iran but adopted by many cultures including the Romans, exist all over the world including in Luxembourg.
• ZeroGravitas 7y ago
  The distance these cover and the depth they tunnel into mountains is part of what makes them incredible, in case the description of underground aquaducts doesn't sound cool enough.
  • growlist 7y ago
    True! :) I first learnt of them years back on TV - think it was a Channel 4 (UK broadcast channel) documentary, in which they sent a British academic into somewhat hazardous situations. He walked underground along one of these tunnels. Haven't been able to find the documentary since, unfortunately.
    • bcraven 7y ago
      I think Iain Stewart went down one for his "Rise of the Continents" series.