19 February 2026
How Sumerians in Mesopotamia Perfected Asphalt-Like Materials 4,000 Years Ago
More than 4,000 years ago, long before highways and petroleum refineries, Sumerian craftspeople in southern Mesopotamia…
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bitumen composites
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More than 4,000 years ago, long before highways and petroleum refineries, Sumerian craftspeople in southern Mesopotamia…