The first tunnel of this kind is of interest also https://en.m.wikipedia.org/wik... | Hacker News

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		sempron64 on May 7, 2023 \| parent \| context \| favorite \| on: Tunnel of Eupalinos The first tunnel of this kind is of interest also https://en.m.wikipedia.org/wiki/Siloam_tunnel

Someone on May 8, 2023 [–]

Another page about this kind of technology: https://en.wikipedia.org/wiki/Qanat

That taught me they had ice houses in Persia in 400 BCE (https://en.wikipedia.org/wiki/Yakhchāl)

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