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submitted 7 months ago by [email protected] to c/[email protected]

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[Eupalinos of Megara appears out of a time portal from ancient Ionia] Wow, you guys must be really good at digging tunnels by now, right?

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[–] [email protected] 0 points 7 months ago

Pozzalanic materials also tend to be very alkaline. Industrial dumping of waste concrete can create a huge environmental hazard.