[square90]

A little tongue in cheek: but isn't that classic survivorship bias?

[nkrisc]

I believe you're exactly right. The Romans built much more than we can find today. Obviously most of it didn't make it through the last 2,000 years.

[badloginagain]

Except the scale, scope, and quality Roman construction techniques was unparalleled for most regions of the former Roman empire.