To build underwater foundations for the docks of some ports the Romans used concrete.
an aquaduck
Cement was used by the Romans to build the colosseum. The Romans invented cement and the material they invented was also water proof which allowed for bridges and fountains to be built.
The ancient Romans used aqueducts to bring water to their cities.
Romans build monuments because they have superb engineers and their monuments make an impression on tourists.
The Romans had used things to build
aqueducts
an aquaduck
Romans
Aqueducts.Aqueducts.Aqueducts.Aqueducts.Aqueducts.Aqueducts.Aqueducts.Aqueducts.Aqueducts.
They buit them for a under water consturction area.
aqueducts .
aqueducts .
I believe "Build Me Up Buttercup." was song by the "Foundations."
The foundations
The Romans built the piping for the water systems that was waterproof and leakproof; they also built the roofs of their buildings of waterproof tiles.
The Foundations
Nothing really, it was there long before the Romans ever came to Britain.