Szukana fraza: [Abstract = "This system is, as the research has shown, legally protected and, in a model\-based way, expanded both on the scale of the city and of each housing estate. The presented results of research on this type of ecological project also relate to pilot analyses of the construction projects of the \"green\" Burgweiting\-Mitte housing estate and reconstruction together with the restoration of the historic \"green\" Ganghofersiedlung housing estate."]