Unearthing Water Flows, Uncovering Social Relations: Introducing New Waste Water Technologies in Berlin

In the past [waste] water simply flowed over the street, ... then engineers brought the water underground. The urban planners were thus free to do what they liked above ground ... and were glad that the sewers were below. And now we [water managers] are coming and laying claims to open spaces and streets. That annoys the urban planners ... . Ultimately the challenge is to make water visible."