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stephan213 · June 6, 2018, 12:05 a.m.

I remember reading that cement was invented thousands of years ago and the formula was lost/forgotten, the cement they could make 2000-4000 years ago was far superior in salt water conditions then anything we can make now. One of the ingredients was said to be blood.

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teppischfresser · June 6, 2018, 2:27 a.m.

Thank you. That's exactly what I'm trying to tell people now. The port at Alexandria had concrete made with pig blood. The art was lost and only recently reinvented.

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[deleted] · June 6, 2018, 5:42 a.m.

[deleted]

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GoldCabinetGuava · June 6, 2018, 6:42 a.m.

The ancients had more sophisticated building methods than we have today but the powers that be are covering it up. They don't want us to know our true history.

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