Senne is a small river crossing Brüsel. It was roofed-over during the reconstruction of the city 1). An identical fate befell a river of the same name in Brussels. Soon after the river was roofed-over, a catastrophe happened. First the gutters couldn't handle the amount of rain, then the river also rose by the amount of water from the great flood. Large parts of Brüsel got flooded 2). In 2030 Brussels decide to remove the roof and use more streets as river to attract tourism. 3).