Sewerage for all communities except Seisia is by underground sewer.

During the 19th century, it was buried and converted into an underground sewer, but traces of the creek can still be found today.

Each of the large avenues had underground sewers which carried rain and refuse to the south of the city.

Could it be that this primitive culture had underground sewers?

Water was flowing somewhere fast as if in a deep underground sewer.

They were then disposed of down the waste chutes into the underground sewers.

The first uses the regular radio edit, and shows a selection of dancers in an underground sewer.

What had happened to the efficient underground sewers of every Aventine city?

It was a horizontal slot, even with the floor, similar to a street drain that led into a city's underground sewers.

The video opens with shots of a dank underground sewer.