Clean

The second of the 3x a year check of our "Small Sewage Works" as it is called in Germany. One of the many measures that ensure our rivers & lakes are relatively clean. Pain in the posterior, so to say, and a pain in the wallet but such things are not free and some countries need to get used to the idea and perhaps to see there is a link between what we do in our backyard does indeed have an effect on the entire world.