Rhetorical question?

https://www.google.ca/?gws_rd=ssl#q=what+we+owe+to+the+romans

Some Roman era bridges in Europe are still carrying heavy  loads, while corroded "modern" metal bridges built closer to the strength limits of materials are only used for foot traffic, or are closed pending demolition. 

The Romans were big into Roads, Water and Sewer works. 

The health benefits of clean water are out of all proportion to the cost of providing it, as the Victorian Era Brits rediscovered.