Roads, aqueducts, sewers. How the Romans built systems that lasted two millennia.
The best single overview: aqueducts, roads, bridges, and concrete in one well-written article.
Eleven aqueducts delivering a thousand cubic meters daily using only gravity. The engineering details are staggering.
400,000 km of roads connecting 113 provinces. Some still in use. The five-layer construction method is described in satisfying detail.
Rome's great sewer, built in the 6th century BC and still partially in use. The least glamorous and most impressive Roman infrastructure.
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