(cache)Massimo on X: "This network of ceramic water pipes is 4000 years old. It was unearthed at the archaeological site of Pingliangtai in Northern China. The pipes still work. https://t.co/iB0JpjqTzs" / X

@Rainmaker1973

This network of ceramic water pipes is 4000 years old. It was unearthed at the archaeological site of Pingliangtai in Northern China. The pipes still work.

8:52 PM · Jun 10, 2025

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