00:00Did you know Roman concrete has lasted over 2,000 years?
00:03The Pantheon in Rome has the largest unreinforced concrete dome still standing.
00:08Their secret, a mix of volcanic ash, lime, and seawater.
00:13This special mix even set underwater, making structures incredibly durable.
00:17Unlike modern concrete, which can start crumbling after a few decades,
00:21Roman concrete has withstood the test of time.
00:24This incredible innovation is why we still see Roman structures today
00:28from aqueducts to harbors, standing strong against the elements.
00:32Roman concrete is a marvel of ancient engineering.
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