UFU (URBAN FARM UNIT)
The French designer Damien Chivalle has put a greenhouse on top of a container housing an aquarium with fish. Their water and faeces feeds the plants in the greenhouse, which in turn purifie the water, which is then returned to the aquarium. The result: a self-regulating city-farm the size of a parking space. On display in Paris, Lisbon, Zürich and Brussels.