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Dragonfly wing pattern reinforces vaults and domes better than ancient Roman and tech-generated methodsStiffening ribs have been used in vaults and domes since ancient Roman times to enable thinner ... it usually boils down to ...
This Roman wooden barrel was found at Bar Hill Roman Fort, Strathclyde, Scotland and was picked by Christina Gilfedder, second year student at the University of Glasgow (Single Honours Archaeology).
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