The Romans produced concrete by mixing volcanic ash with lime and sea water to create a mortar, then adding chunks of volcanic rock—a process much different than what's used to make today's concrete.
From Curiosity
The Roman Empire fell more than a thousand years ago, but its concrete architecture still stands.
CURIOSITY.COM
The Romans produced concrete by mixing volcanic ash with lime and sea water to create a mortar, then adding chunks of volcanic rock—a process much different than what's used to make today's concrete.
From Curiosity
The Roman Empire fell more than a thousand years ago, but its concrete architecture still stands.
CURIOSITY.COM
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