milan, lombardy, italy - may, 5, 2024: the bam - biblioteca degli alberi park sign with the bosco verticale in the background

biblioteca degli alberi bosco verticale sustainableclimatevisuals architecture bioarchitecture building city environment famous green public space iconic information italy lombardy metropolitan reforestation milan mitigation modern nature people outdoors park place of interest sign skyscraper staycation sustainability sustainable development innovation tourism travel urban ecosystem vertical forest greening visit