The Green Belt is a group of semi-natural periurban spaces partially recovered from degraded areas, such as gravel pits, burnt ground and drained wetlands from the fringe areas of Vitoria-Gasteiz. Through the Green Belt project, the city has been making progress since the 1990s in land management to recover biodiversity by restoring many of its damaged ecological and landscape areas. When full restoration of the parks will be completed, the Green Belt will form a continuous series of green spaces for cyclists and pedestrians, making it the natural lung of the city, linking the city with the countryside and creating a large green area for recreational use around the city.