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2 votes
0 answers
209 views

Do we know how much the Aurelian Wall would have cost to build?

I've been reading about the Aurelian Wall and it's very fascinating, though I wonder how much, in denarii, sestercii, or other, it would have cost the Romans. Is there any way we could possibly ...
Lgndry's user avatar
  • 645
25 votes
2 answers
6k views

What is the oldest road tunnel in the world?

At the Furlo Pass in the Apennines, the Via Flaminia passes through a tunnel built in 76 - 77 AD during the time of Emperor Vespasian, replacing an earlier tunnel. The tunnel built during the time of ...
Lars Bosteen's user avatar
3 votes
0 answers
437 views

Did the Romans use any other materials to reinforce their concrete?

I have been reading about Roman concrete (300BC-300AD) and how it has greater strength than current concrete mixtures. So far, my research has shown that they did not use re-bar in their structures. ...
ed.hank's user avatar
  • 6,647