Fig. 1

Land use distribution in the city of Milan. a The spatial distribution in the city of Milan of the seven land uses (see legend and definitions in the main text). White lines design the borders of the 88 NILs (Nuclei di Identità Locale, see text). b A zooming on the city center shows the grids over which CDR data was recorded. c Administrative subdivision of the city: the 9 Boroughs (Municipi) of Milan and their NILs are contoured by black (thick solid) and blue (dashed lines), respectively