Question

The pont du gard (fig. 6-17), part of an aqueduct in southern france, demonstrates the use of which common roman building structure?

Answer 1

The Pont du Gard which is part of Southern France's aqueduct demonstrates the use of the round arch which is a common Roman building structure. It is the highest of all Roman elevated aqueducts and is one of the best preserved. 

Answer 2

It is used to transport soldiers