Every 156 years they appear in one city.
It’s unknown where they come from but they normally choose the cities that are able to fit their body and mood condition. They shape their shell based on the characteristic of the city element. They use their body in
efficient way and they adapt themselves based on citizen’s mood and behavior. This time they choose Gothenburg .An easy going and friendly city in south east of Sweden.They used the shapes of curved windows that are spread almost all over the city center of Gothenburg.