TIL Roman concrete structures such as the Pantheon and aqueducts are ultra durable because of lime clasts. While many modern concrete structures crumble after a few decades, Roman concrete has self-healing functionality from lime clasts which allow their structures to survive millennia.

Submitted by The_Ry_Ry t3_11k322u on March 6, 2023 at 4:13 PM in todayilearned