Building with nature is an important concept in our coastal defense. After all, by harnessing natural processes, we are more resilient to sea level rise. A good understanding of these processes is therefore indispensable. Ecologist Paul Berghuis, affiliated with Utrecht University and the Royal Netherlands Institute for Sea Research (NIOZ), delved into the world of dune formation and discovered that within young dune landscapes, dunes and grasses do not arrange themselves randomly but follow a fixed pattern.