The world is not only complex, but also very dynamic and therefore changeable. Sometimes we try to solve a problem, but as soon as we do, the problem appears to have shifted or a new problem arises. People sometimes speak of the "Law of Conservation of Misery". An interesting example of this is the Honduras bridge. The bridge was designed and built to withstand the worst hurricanes. During Hurricane Mitch, the bridge indeed proved to be of excellent quality. Unfortunately, after the flood, it turned out that the course of the river had moved a few hundred meters, so that the bridge was no longer over the river, but next to it ...