How the pyramids where built in Egypt
http://www.geopolymer.org/cate...
Are the pyramids made out of concrete, an artificial re-agglomerated limestone? Joseph Davidovits and the Geopolymer Institute crew shows that only few people is able to rapidly and easily produce several tons of pyramid stone blocks.
Author: kadamix
Length: 04:41
Views: 140982
Tags: block bosnia build concrete construction davidovits egypt enigma geopolymer giza kheops limestone mystery pyramid stone
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