And an excellent flood-control system helped the city escape significant damage when the Danube burst its banks elsewhere in Austria in August.
And as the flood-control system broke down, so soon did everything else.
Even if the original flood-control system had been in place, it probably could not have held back the gigantic volume of water now descending onto the coastal plain.
By the mid-15th century, the Ming had completed restoration of the area's flood-control system and operated it with general success for over a century.
Since Washington didn't keep its promise to protect the city, the federal government should repair the damage and pay for a new flood-control system.
About 30 years ago, a giant flood-control system was created, and the giant park along Danube Island was the inadvertent result.
A torrent exploded out of the ascending branch, knocked me off my feet, and swept me down into the dark bowels of the flood-control system.
If ultimately the flood-control system delivered the storm runoff to a vast subterranean lake, I would be washed onto those shores.
Near the end of the flood-control system, the portcullis-style gates, twisted and sagging, were found open.
He helped Sacramento create flood-control systems and won financing for light rail projects.